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Classification Resources
 
Class   373INDUSTRIAL ELECTRIC HEATING FURNACES
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[List of Pre Grant Publications for class 373 subclass 1][List of Patents for class 373 subclass 1]1 PLURAL DIVERSE HEATING MEANS
[List of Pre Grant Publications for class 373 subclass 8][List of Patents for class 373 subclass 8]8 ENVIRONMENTAL CONTROL
[List of Pre Grant Publications for class 373 subclass 10][List of Patents for class 373 subclass 10]10 ELECTRON BEAM FURNACE DEVICE
[List of Pre Grant Publications for class 373 subclass 18][List of Patents for class 373 subclass 18]18 PLASMA FURNACE DEVICE
 [List of Pre Grant Publications for class 373 subclass 26][List of Patents for class 373 subclass 26]26 GLOW DISCHARGE FURNACE DEVICE
[List of Pre Grant Publications for class 373 subclass 27][List of Patents for class 373 subclass 27]27 GLASS FURNACE DEVICE
[List of Pre Grant Publications for class 373 subclass 42][List of Patents for class 373 subclass 42]42 ELECTROSLAG REMELTING DEVICE
[List of Pre Grant Publications for class 373 subclass 56][List of Patents for class 373 subclass 56]56 WITH CONDENSATING DEVICE
[List of Pre Grant Publications for class 373 subclass 60][List of Patents for class 373 subclass 60]60 ARC FURNACE DEVICE
[List of Pre Grant Publications for class 373 subclass 109][List of Patents for class 373 subclass 109]109 RESISTANCE FURNACE DEVICE
[List of Pre Grant Publications for class 373 subclass 138][List of Patents for class 373 subclass 138]138 INDUCTION FURNACE DEVICE
 [List of Pre Grant Publications for class 373 subclass 166][List of Patents for class 373 subclass 166]166 MISCELLANEOUS
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS