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N-Cl Compound ..............................  8 / DIG 20
    Oxidizing compositions .................  252 / 186.35+
Nacelles  
    Engine .................................  123 / 41.7
        Aircraft combined ..................  244 / 53 R+
Nad (Nicotinamide Adenine ..................  536 / 26.24
    Dinucleotide) ..........................  536 / 26.24
Nafcillin ..................................  540 / 339
Nail .......................................  411 / 439+
    Brush ..................................  15 / 167.3
    Buffer .................................  132 / 76.4+
        Compound manicure tool with ........  132 / 75.6
    Capping nail ...........................  470 / 7
    Design .................................  D08 / 391+
    Extractor ..............................  254 / 18+
    Feeding and distributing ...............  227 / 107
        Sorting ............................  470 / 164+
    Files ..................................  132 / 76.4
        Design .............................  D28 / 59
    Fluorescent or phosphorescent ..........  250 / 462.1
    Hammer .................................  227 / 133
    Hole plug ..............................  52 / 514
    Horseshoe ..............................  168 / 23
        Calk ...............................  168 / 38
    Insulated, electrically ................  174 / 159
    Making .................................  470 / 27+
        And driving ........................  227 / 82+
    Placer hammer ..........................  81 / 23+
    Polish applicator ......................  D04
    Sets ...................................  81 / 44
    Stripper ...............................  193 / 38
Nailing ....................................  227
    Broom making ...........................  300 / 13
    Receiving strip ........................  52 / 364
    Shoe heel working and ..................  12 / 43+
    Shoe lasting and .......................  12 / 13.1
        Tool ...............................  12 / 108
Nainsook ...................................  139 / 426 R
Name Plate .................................  232 / 46
    Design .................................  D20 / 15
    Holders ................................  40 / 642.02+
Name Tag ...................................  D20 / 22+
Nandrolone, in Drug ........................  514 / 178+
Nanotechnology .............................  977
Naphthacetols ..............................  564 / 222
Naphthalene ................................  585 / 400+
    Hydrogenation of .......................  585 / 266+
    Sulfonic acids .........................  562 / 89
Naphthalic Acid ............................  562 / 488
    Decarboxylation ........................  562 / 479
    Imides .................................  546
Naphthazarine ..............................  552 / 298
Naphthenic Acid ............................  562 / 511
Naphthionic Acid ...........................  562 / 68
Naphthisatins ..............................  548 / 451
Naphthols ..................................  568 / 735+
    Acylamino ..............................  564 / 123+
    Acylaminosulfo .........................  562 / 47
    Amino ..................................  564 / 428+
    Aminosulfo .............................  562 / 70
    Azo compounds ctg ......................  534 / 573+
    Carboxylic acids .......................  562 / 466+
        Amides .............................  564 / 173
        Esters .............................  560 / 56
    Nitro ..................................  568 / 707
    Sulfo acids ............................  562 / 79
Naphthothiophenes ..........................  549 / 43+
Naphthylamine ..............................  564 / 428+
Naphthyridine ..............................  546 / 122
Napkin .....................................  D06 / 595
    Design .................................  D06 / 595+
    Design,paper ...........................  D06 / 595
    Holder  
        Body supported .....................  24 / 7+
        Design .............................  D07 / 631
        Stands .............................  248 / 127+
    Sanitary ...............................  604 / 358+
        Design .............................  D24 / 125
        Materials for ......................  604 / 367+
Napping, Cloth Finishing ...................  26 / 29 R+
    Hat making .............................  223 / 18
Narceine ...................................  549 / 444
Natural Rubber (See Synthetic Resin  
    Or natural rubber)  
Naval See Marine  
Navigation  
    Calculators ............................  235 / 61 NV+
    Celestial navigation training ..........  434 / 111
    Computer controlled, monitored .........  701 / 200+
        Global positioning system (gps) ....  701 / 213+
    Course recorders .......................  346 / 8
    Decca ..................................  342 / 397
    Instruments see notes thereto ..........  73 / 178 R+
        Geometric ..........................  33
    Loran ..................................  342 / 388+
    Omega ..................................  342 / 396
    Radionavigation training ...............  434 / 239
    Tacan ..................................  342 / 399
    Underwater signal for position .........  367 / 137
    Finding ................................  367 / 137
Nebulizers  
    Sprayer structure ......................  239 / 338
    Surgical ...............................  128 / 200.14
Neck  
    Appliance for thermal surgical .........  607 / 139+
    Treatment ..............................  607 / 139+
    Bottle .................................  215 / 40+
        Nonrefillable separate .............  215 / 30
    Cleaning brush for bottle ..............  15 / 67
    Glass reshaping to form ................  65 / 108+
    Labelling machine for bottle ...........  156 / 476+
    Body & .................................  156 / 476+
    Musical stringed instrument ............  84 / 293
    Pad for harness ........................  54 / 67
    Stock for animal restraining ...........  119 / 729+
    Support bracket engaging ...............  248 / 312
    Receptacle .............................  248 / 312
    Supported shower bath ..................  4 / 618
    Tobacco pipe bowl detachable from ......  131 / 222
        Trap ...............................  131 / 214
    Yoke for animal ........................  D30 / 137
        Draft appliance ....................  278 / 119+
        Restraining poke ...................  119 / 762+
Necklace ...................................  D11 / 3+
Neckwear  
    Collars ................................  2 / 129
    Design .................................  D02 / 600+
    Ironer engaging neckband for ...........  38 / 13+
    Clamping ...............................  38 / 13
    Ironers for collars and ................  223 / 52.1+
    Neckbands ..............................  223 / 52.1+
    Ironing table with neckband ............  38 / 109+
    Shaper .................................  38 / 109+
    Napkin holder inclosing ................  24 / 9
    Shaping forms ..........................  223 / 81+
    Shirt neckbands ........................  2 / 127
    Ties ...................................  2 / 144+
        Design .............................  D02 / 605+
        Fasteners ..........................  24 / 49.1+
            Design .........................  D11 / 202+
            Magnetic, adhesive, or .........  24 / 66.1
            Snap type ......................  24 / 66.1
        Hanger .............................  D06 / 315+
        Machines for sewing ................  112 / 470.26
        Methods of sewing ..................  112 / 475.09
        Rack or holder .....................  D06 / 315+
Needle .....................................  369 / 173
    Blasting fuse setting ..................  86 / 21
    Compass ................................  33 / 355 R+
    Cord knotter ...........................  289 / 16
        Harvester needle cleaner or ........  56 / 448
        Guard ..............................  56 / 448
    Crochet ................................  66 / 118
    Gun ....................................  42 / 16+
    Hypodermic .............................  604 / 187+
        Pocket carrier for .................  206 / 365+
    Injecting for pickling .................  99 / 532+
    Injector liquid applying to ............  68 / 201
    Textile ................................  68 / 201
    Knitting ...............................  66 / 116+
        Design .............................  D03 / 28
    Machine  
        Buttonhole sewing ..................  112 / 65+
        Embroidering .......................  112 / 78+
        Knitting textiles ..................  66
            Independent ....................  66 / 7+
            United .........................  66 / 78+
        Leather sewing .....................  112 / 28+
        Sewing .............................  112
        Stitch forming .....................  112 / 154+
        Textile needling ...................  28 / 107+
            Fluid needles ..................  28 / 104+
        Weaving ............................  139 / 440+
    Making .................................  163
        Abrading process ...................  451 / 28+
        Crochet ............................  163 / 2
        Eye polishers ......................  451 / 315
        Straightening or bending ...........  72 / 319
    Packages or cases ......................  206 / 380+
        Design .............................  D09 / 700
        Drill holder type ..................  206 / 379
    Phonograph .............................  369 / 173
        Design .............................  D14 / 264
    Radioactive seed holder ................  600 / 7+
    Seine making ...........................  87 / 60
    Sewing .................................  223 / 102+
        Holder for .........................  223 / 109 R
        Machine ............................  112 / 222
        Machine design .....................  D15 / 72
    Surgical  
        Electric ...........................  606 / 44
        Intravenous ........................  604 / 30+
        Needles ............................  606 / 222+
        Staple .............................  606 / 219+
        Suture or ligature .................  606 / 228+
    Threaders  
        Hand needle ........................  223 / 99
        Sewing machine .....................  112 / 222+
        Sewing machine design ..............  D15 / 72
    Winding cordage on seine ...............  242 / 472
Needling  
    Processes ..............................  28 / 107+
        Fluid needling .....................  28 / 104+
Negative  
    Developing apparatus ...................  396 / 564+
    Developing methods .....................  430 / 434+
    Photographic article ...................  430
        Making camera copy .................  430 / 951*
    Printing positives from negatives ......  355
    Sensitizing ............................  430 / 425+
        Developing .........................  430 / 401+
    Washing or fixing apparatus ............  396 / 564+
Negative Feedback Amplifier ................  330 / 75+
Negligee ...................................  D02 / 718+
Neomycins ..................................  536 / 13.2
Neon (See Gas, Rare) ......................  423 / 262
    Lamp ...................................  313 / 567+
        Manufacture ........................  445 / 26
        Repair .............................  445
            Apparatus ......................  445 / 61
            Process ........................  445 / 2
        Supply circuit .....................  315
        Tube per se ........................  313 / 567+
    Liquefaction and separation ............  62 / 606
        Processes ..........................  62 / 606
    Sign ...................................  40 / 545
    Tube support ...........................  248 / 50
    Tube support ...........................  362 / 217+
Neoprene (See Chloroprene Under  
    Synthetic resin or natural rubber)  
Neosalvarsan ...............................  556 / 67
Nephelometer ...............................  356 / 339
    Chemical analysis, apparatus ...........  422 / 82.05
Nernst Lamps ...............................  313 / 14
    Supply circuits for ....................  315
        With heater for ....................  315 / 112+
Nest  
    Eggs  
        Medicated ..........................  119 / 348
        Traps ..............................  119 / 330+
    Poultry and fowl .......................  119 / 329+
        Design .............................  D30 / 108+
        Trap ...............................  119 / 330+
Nested and Nesting  
    Beds ...................................  5 / 8
    Bottles and jars .......................  215 / 10
    Drying drums or receptacles ............  34 / 128
    Lock tumbler ...........................  70 / 324
    Metallic receptacles ...................  220 / 23.6
    Multi article package ..................  206 / 499
    Multi part key .........................  70 / 400
    Stove kit ..............................  126 / 38
    Vehicles ...............................  280 / 33.991+
Net  
    Coated .................................  442 / 43+
    Fabric .................................  D05 / 11+
    Fire escape ............................  182 / 138+
    Fishing ................................  43 / 7+
    Fly ....................................  54 / 80.4
    Hair ...................................  132 / 274
    Insect or bird catching ................  43 / 134
    Making .................................  87
    Making and handling  
        Hauling fish .......................  43 / 8+
        Hoist line slings ..................  294 / 77
        Textile ............................  87
        Textile design .....................  D05
        Vehicle fender barrier type ........  293 / 40
        Combined ...........................  293 / 40
        Vehicle fender scoop type ..........  293 / 46
        Wire ...............................  140 / 3 R+
    Mosquito for beds ......................  5 / 414+
    Torpedo ................................  114 / 241
    Tying machines .........................  87 / 53
    Wire ...................................  245
Nether Garment  
    Apparel ................................  2 / 210+
        Design .............................  D02 / 700+
    Apparel knitted ........................  66 / 175+
Netting ....................................  D05 / 11+
Neural Networks ............................  706 / 15+
    Analog .................................  706 / 38
    Binary .................................  706 / 41
    Digital ................................  706 / 41
    Optical ................................  706 / 40
    Radiant energy .........................  706 / 40
    Structures .............................  706 / 26+
Neuron Network See Neural Networks  
Neutralization of Amplifiers By ............  330 / 76+
    Feedback ...............................  330 / 76+
    Transistor type ........................  330 / 292
Neutralize Inductive Effect ................  307 / 89+
    Telegraphy .............................  178 / 69 R
    Telephony ..............................  379 / 415+
Neutralizing  
    Capacitor ..............................  361 / 271+
    Compositions ...........................  252 / 189+
    Electric charge ........................  361 / 212+
Neutron  
    Absorbing, reactor control .............  376 / 216
        Control component structure ........  376 / 327
        Reflector or shield ................  376 / 458
    Amplifier ..............................  376 / 171
    Apparatus using ........................  250 / 390.01+
    Beam ...................................  430 / 953*
    Chemical apparatus .....................  204 / 193
    Control ................................  376 / 327
        Fuel component structure ...........  376 / 419
        Including testing, etc .............  376 / 215
        Reflector or shield ................  376 / 220
    Detection or counting ..................  250 / 390.01+
        Nuclear reactor combined ...........  376 / 245
        Scintillation ......................  250 / 458.1
        Tubes ..............................  376 / 153+
    Fast, reactor ..........................  376 / 171
    Fast, reactor ..........................  376 / 348
    Flux, distribution control .............  376 / 207
    Generation .............................  376 / 108+
        Nuclear reactions ..................  376
    Intermediate ...........................  376 / 346
    Moderated ..............................  376 / 347
    Moderated ..............................  976 / DIG 440+
    Particle accelerator source ............  976 / DIG 404
    Reflector ..............................  376 / 173
    Reflector ..............................  376 / 220
    Reflector ..............................  376 / 350
    Reflector ..............................  376 / 458
        Fluid ..............................  376 / 221
    Shield .................................  250 / 518.1
        Nuclear reactor, use in ............  376 / 287
    Survey meters ..........................  250 / 390.01+
        In fluid ...........................  250 / 336.1
        Tubes for ..........................  376 / 153+
    Thermal ................................  376 / 347
    Unmoderated ............................  376 / 171
    Unmoderated ............................  376 / 346
    Utilization ............................  376 / 158
Newel Post .................................  52 / 301
Newspaper  
    Delivery box ...........................  D99 / 29
    Vending machine ........................  D20 / 6
Niacinimide, in Drug .......................  514 / 355
Nibbling Sheet Material ....................  83 / 916*
Nickel  
    Alloys .................................  420 / 441
        Copper .............................  420 / 457
        Iron chromium ......................  420 / 34+
        Super alloys .......................  420 / 445
    Cadmium batteries ......................  429
    Composite metal stock ..................  428 / 680
    Electrodeposition ......................  205 / 271+
    Electrolytic synthesis .................  205 / 594+
    Heat treatment .........................  148 / 675+
    Hydrometallurgy ........................  75 / 711+
    Inorganic compounds ....................  23
    Organic compounds ......................  556 / 138+
    Pyrometallurgy .........................  75 / 628+
        Combined with hydrometallurgy ......  75 / 416+
Nickel Silver ..............................  420 / 481
Nickelodeon ................................  D14 / 173
Nicking  
    Screw heads ............................  470 / 60+
Nicotinamide, in Drug ......................  514 / 355
Nicotine ...................................  546 / 279.4
    Biocides containing ....................  514 / 343
    Removal from tobacco ...................  131 / 297
Nicotinic Acid .............................  546 / 318
    In drug ................................  514 / 356
Night Soil  
    Fertilizers ............................  71 / 12+
    Purification ...........................  210 / 600+
Nightgowns .................................  2 / 69.5+
    Design .................................  D02 / 720+
Nightshirts ................................  2 / 114
Nightwear ..................................  2
Nigrosines .................................  544 / 348
    Dyes ...................................  8 / 649
Niobate Ceramic Compositions ...............  501 / 134
Niobium  
    Alloys .................................  420 / 425
Nipper  
    Cutlery ................................  30 / 175+
        Handles ............................  30 / 341
        Manicure ...........................  30 / 28
        Shears combined ....................  30 / 145
    Label pasting ..........................  156 / 569+
    Manacle and cuff .......................  70 / 17
    Nail plate .............................  470 / 175
    Pliers combined ........................  7 / 125+
    Pliers combined ........................  7 / 133+
    Shoe lasting ...........................  12 / 14.5
        Nipper stretcher ...................  12 / 9+
        Nipper wiper .......................  12 / 8.5
    Textile spinning etc ...................  57 / 114
Nipple  
    Applying tool ..........................  29 / 235.5
    Chafe prevention .......................  128 / 890
    Dispenser ..............................  222 / 490
    Firearm ................................  42 / 83
    Nursing ................................  215 / 11.1+
    Pediatric, oral stimulator .............  D24 / 194+
    Pipe coupling ..........................  285 / 239+
    Punching device ........................  83
    Teething ...............................  606 / 235
    Valve ..................................  137 / 846+
Nitramines .................................  564 / 107+
    Acyclic ................................  564 / 109+
    Nitroguanidines ........................  564 / 108
Nitranilines ...............................  564 / 441
Nitrates  
    Esters acyclic or carbocyclic ..........  558 / 480+
    Esters carbohydrate ....................  536 / 18.7+
        Cellulose ..........................  536 / 35+
    Explosive containing  
    Fertilizers containing .................  71 / 58+
        Phosphates combined ................  71 / 50
    Inorganic ..............................  423 / 395
    Metallo organic ........................  556 / 1+
        Composition containing .............  149 / 23+
        Explosive or thermic ...............  149 / 23+
    Nitrogen oxides from ...................  423 / 400
    Organic explosive containing ...........  149 / 88+
Nitration  
    Cellulose ..............................  536 / 35+
    Hydrocarbons ...........................  568 / 924+
    Organic nitrate preparation ............  558 / 480+
Nitric Acid ................................  423 / 391+
    Cleaning compositions containing .......  510 / 245+
    Concentration ..........................  159
        Distillative .......................  203 / 13
    Esters (see nitrates)  
    Phosphate treatment with ...............  71 / 39
Nitrides ...................................  423 / 409
    Alloys based on ........................  423 / 409
    Carboxylic acid ........................  558 / 303+
    Ceramic compositions ...................  501 / 96.1
Nitriding  
    Iron ...................................  148 / 225+
Nitrile Imines .............................  558 / 299
Nitrile Oxides .............................  558 / 299
Nitriles ...................................  558 / 303+
    Acyclic ................................  558 / 435+
    Alicyclic ..............................  558 / 428+
    Alpha-imino ............................  558 / 300+
    Aromatic ...............................  558 / 388+
    By ammoxidation ........................  558 / 319+
    Dimerization of ........................  558 / 360+
    Disproportionation of ..................  558 / 377
Nitrilotriacetic Acid ......................  562 / 572
Nitrites  
    Esters .................................  558 / 488
    Inorganic ..............................  423 / 385
Nitro Compounds  
    Organic ................................  568 / 924+
    Phenols ................................  568 / 706+
    Reduction to primary amines ............  564 / 416
Nitrocellulose (See Cellulose, Ether; ......  536 / 35+
    Ester) .................................  536 / 35+
    Compositions of ........................  536 / 35+
Nitrogen ...................................  423 / 351
    Acids & acid anhydrides, inorganic .....  423 / 385+
        Explosive or thermic ...............  149 / 74
        Composition containing .............  149 / 74
    Compositions containing ................  252 / 374+
    Electrolytic synthesis .................  205 / 617
    Electrolytic synthesis of  
    Compounds  
        Aqueous bath .......................  205 / 551+
        Fused bath .........................  205 / 360
    Electrostatic field or electrical ......  204 / 177+
    Discharge compound preparation .........  204 / 177+
    Fertilizer containing compounds ........  71
    Fixation  
        Ammonia production .................  423 / 352+
        Arc or spark .......................  422 / 186.24
        Fermentative .......................  435 / 128
        Fertilizer preparation .............  71 / 7
        Inorganic cyanide production .......  423 / 364
        Wave energy or corpuscular .........  422 / 904*
        Radiation ..........................  422 / 904*
    Fuel containing compounds ..............  44
    Obtaining from air by liquefaction .....  62 / 643+
    Other inorganic compounds of ...........  423 / 351
    Oxids ..................................  423 / 400+
        Explosive or thermic ...............  149 / 74
        Containing .........................  149 / 74
    Rings ..................................  552 / 1+
Nitroglycerin ..............................  558 / 486
    Explosives .............................  149 / 101+
Nitronic Acids .............................  568 / 926+
Nitroparaffins .............................  568 / 943+
    Explosives containing ..................  149 / 89+
Nitrophenols ...............................  568 / 706+
    Explosives containing ..................  149 / 24+
    Explosives containing ..................  149 / 55+
    Explosives containing ..................  149 / 68
    Explosives containing ..................  149 / 80
    Explosives containing ..................  149 / 105+
Nitrosamines ...............................  564 / 112+
    Acyclic ................................  564 / 113+
    Dyes containing ........................  8 / 665
Nitroso Compounds ..........................  568 / 949
    Dyes containing ........................  8 / 665
Nitrosoamines ..............................  564 / 112+
Nitrostarch ................................  536 / 48+
    Explosives containing ..................  149 / 58+
    Explosives containing ..................  149 / 108
Nitroxides .................................  564 / 300
Nobel Metals  
    Hydrometallurgy ........................  75 / 711+
    Organic compounds ......................  556 / 136+
        Phosphorus containing ..............  556 / 13+
    Pyrometallurgy .........................  75 / 631+
        Combined with hydrometallurgy ......  75 / 416+
Noils ......................................  19 / 115 R
Noise Bucking in Amplifiers ................  330 / 149
Noise Deadening (See Insulating,  
    Sound)  
    Ear stoppers ...........................  128 / 864+
    Generator  
        Electronic tube type ...............  331 / 78
    Jet engine noise muffling  
        Blast deflector fences .............  244 / 114 B
        Highway screen or fence ............  181 / 210
    Limiters  
        Audio type .........................  381 / 354
        In radio receiver ..................  455 / 213
        In radio receiver ..................  455 / 308+
        Noise or unwanted signal ...........  367 / 901*
        Reduction in nonseismic ............  367 / 901*
        Receiving system ...................  367 / 901*
        Pulse or digital ...................  375 / 285
        Squelch ............................  455 / 222
    Mathematical, reduction ................  702 / 191+
    Muffler ................................  181 / 175+
        Axle antirattler ...................  280 / 137.507
        Combustion products generator ......  60 / 723
        Gas separator combined .............  96 / 380
        Machine support ....................  248 / 637+
        Railway rolling stock ..............  105 / 452
        Railway surface track ..............  238 / 382
        Railway wheel and axle .............  295 / 7
        Resonance vibration suppression ....  280 / 124.108
        Suspension .........................  280 / 124.108
Non (See Anti)  
Non-Human Animal ...........................  800 / 8+
    Human disease model ....................  800 / 9+
    Transgenic .............................  800 / 13+
Nonrecoil Guns .............................  89 / 1.7
Nonrefillable  
    Bottle or jar ..........................  215 / 14+
    Dispenser ..............................  222 / 147
    Light bulbs ............................  313 / 314
Noodles ....................................  426 / 557
    Cutting machines .......................  83
Noose Traps ................................  43 / 87
19-Norandrostenes ..........................  552 / 642+
Nortestosterone, in Drug ...................  514 / 178
19-Nortestosterones ........................  552 / 646+
Noscapine ..................................  546 / 90
Nose  
    Bridges ................................  351 / 124+
    Guard ..................................  2 / 9
    Hair cutters ...........................  30 / 29.5
    Pads or cushions for spectacles ........  351 / 136+
        Pince-nez type .....................  351 / 78+
            Integral with bridge ...........  351 / 131+
            On bridge ......................  351 / 132+
    Pieces nail plate ......................  470 / 175
    Ring and clip ..........................  119 / 866
Nosecones ..................................  244 / 158.1+
Nosing-Stair ...............................  52 / 179
Notation Music .............................  984 / 250+
Notching (See Cutters; Edge; Pinking)  
    Selective ..............................  234 / 47+
    Shears .................................  30 / 229+
    Sheet material .........................  83 / 917*
    Wood ...................................  144 / 196
Note Sheet  
    Instrument control .....................  84 / 115+
    Musical ................................  84 / 161+
    Musical comb ...........................  84 / 101
    Printed ................................  84 / 483.2
    Swiss or regina music box ..............  84 / 101
Nottingham Lace ............................  87 / 4
Novobiocin .................................  536 / 13
NOVOCAIN™    ...............................  560 / 49
    In drug ................................  514 / 535
Nozzle .....................................  D23 / 213+
    Agricultural, horticultural, ...........  D08 / 2
    Forestry sprayers ......................  D08 / 2
    Air blast ..............................  239 / 589+
    Air moistening .........................  239 / 543+
    Boiler cleaning ........................  122 / 405
    Cotton picker ..........................  56 / 32
    Design .................................  D23 / 213+
    Digest, drying & gas or vapor ..........  34
    Contact with solids ....................  34
    Dispensing see definition notes ........  222 / 566+
        Cutter or punch with ...............  222 / 80+
        Functioning as handle ..............  222 / 475+
        Molten metal .......................  222 / 591+
        Movable see definition notes .......  222 / 526+
        Valve or closure with see .........  222 / 544
        Notes to definitions of ............  222 / 544+
    Earth boring nozzle ....................  175 / 424
    Extruding  
        Die expressing earthenware .........  425 / 461+
        Die expressing plastic metal .......  72 / 367.1+
        Die expressing plastics ............  425 /