CPC to IPC Concordance for Subclass C 03B

Version: 2026.08

CPC Group	IPC Group
C 03B 1/00	C 03 B 1/00
C 03B 1/02	C 03 B 1/02
C 03B 3/00	C 03 B 3/00
C 03B 3/005	C 03 B 3/00
C 03B 3/02	C 03 B 3/02
C 03B 3/023	C 03 B 3/02
C 03B 3/026	C 03 B 3/02
C 03B 5/00	C 03 B 5/00
C 03B 5/005	C 03 B 5/00
C 03B 5/02	C 03 B 5/02
C 03B 5/021	C 03 B 5/02
C 03B 5/023	C 03 B 5/02
C 03B 5/025	C 03 B 5/02
C 03B 5/027	C 03 B 5/027
C 03B 5/0272	C 03 B 5/027
C 03B 5/0275	C 03 B 5/027
C 03B 5/0277	C 03 B 5/027
C 03B 5/03	C 03 B 5/03
C 03B 5/031	C 03 B 5/03
C 03B 5/033	C 03 B 5/033
C 03B 5/0332	C 03 B 5/033
C 03B 5/0334	C 03 B 5/033
C 03B 5/0336	C 03 B 5/033
C 03B 5/0338	C 03 B 5/033
C 03B 5/04	C 03 B 5/04
C 03B 5/05	C 03 B 5/05
C 03B 5/06	C 03 B 5/06
C 03B 5/08	C 03 B 5/08
C 03B 5/10	C 03 B 5/10
C 03B 5/12	C 03 B 5/12
C 03B 5/14	C 03 B 5/14
C 03B 5/16	C 03 B 5/16
C 03B 5/163	C 03 B 5/16
C 03B 5/167	C 03 B 5/167
C 03B 5/1672	C 03 B 5/167
C 03B 5/1675	C 03 B 5/167
C 03B 5/1677	C 03 B 5/167
C 03B 5/173	C 03 B 5/173
C 03B 5/18	C 03 B 5/18
C 03B 5/182	C 03 B 5/182
C 03B 5/183	C 03 B 5/183
C 03B 5/185	C 03 B 5/185
C 03B 5/187	C 03 B 5/187
C 03B 5/1875	C 03 B 5/187
C 03B 5/193	C 03 B 5/193
C 03B 5/20	C 03 B 5/20
C 03B 5/202	C 03 B 5/20
C 03B 5/205	C 03 B 5/20
C 03B 5/207	C 03 B 5/20
C 03B 5/225	C 03 B 5/225
C 03B 5/2252	C 03 B 5/225
C 03B 5/2255	C 03 B 5/225
C 03B 5/2257	C 03 B 5/225
C 03B 5/23	C 03 B 5/23
C 03B 5/235	C 03 B 5/235
C 03B 5/2353	C 03 B 5/235
C 03B 5/2356	C 03 B 5/235
C 03B 5/237	C 03 B 5/237
C 03B 5/2375	C 03 B 5/237
C 03B 5/24	C 03 B 5/24
C 03B 5/245	C 03 B 5/24
C 03B 5/26	C 03 B 5/26
C 03B 5/262	C 03 B 5/26
C 03B 5/265	C 03 B 5/26
C 03B 5/267	C 03 B 5/26
C 03B 5/28	C 03 B 5/28
C 03B 5/42	C 03 B 5/42
C 03B 5/425	C 03 B 5/425
C 03B 5/43	C 03 B 5/43
C 03B 5/435	C 03 B 5/435
C 03B 5/44	C 03 B 5/44
C 03B 7/00	C 03 B 7/00
C 03B 7/005	C 03 B 7/00
C 03B 7/01	C 03 B 7/01
C 03B 7/02	C 03 B 7/02
C 03B 7/04	C 03 B 7/04
C 03B 7/06	C 03 B 7/06
C 03B 7/065	C 03 B 7/06
C 03B 7/07	C 03 B 7/07
C 03B 7/08	C 03 B 7/08
C 03B 7/082	C 03 B 7/082
C 03B 7/084	C 03 B 7/084
C 03B 7/086	C 03 B 7/086
C 03B 7/088	C 03 B 7/088
C 03B 7/09	C 03 B 7/09
C 03B 7/092	C 03 B 7/092
C 03B 7/094	C 03 B 7/094
C 03B 7/096	C 03 B 7/096
C 03B 7/098	C 03 B 7/098
C 03B 7/10	C 03 B 7/10
C 03B 7/11	C 03 B 7/11
C 03B 7/12	C 03 B 7/12
C 03B 7/14	C 03 B 7/14
C 03B 7/16	C 03 B 7/16
C 03B 7/18	C 03 B 7/18
C 03B 7/20	C 03 B 7/20
C 03B 7/22	C 03 B 7/22
C 03B 9/00	C 03 B 9/00
C 03B 9/02	C 03 B 9/02
C 03B 9/03	C 03 B 9/03
C 03B 9/04	C 03 B 9/04
C 03B 9/06	C 03 B 9/06
C 03B 9/08	C 03 B 9/08
C 03B 9/10	C 03 B 9/10
C 03B 9/12	C 03 B 9/12
C 03B 9/13	C 03 B 9/13
C 03B 9/14	C 03 B 9/14
C 03B 9/145	C 03 B 9/14
C 03B 9/16	C 03 B 9/16
C 03B 9/165	C 03 B 9/16
C 03B 9/18	C 03 B 9/18
C 03B 9/185	C 03 B 9/18
C 03B 9/19	C 03 B 9/19
C 03B 9/193	C 03 B 9/193
C 03B 9/1932	C 03 B 9/193
C 03B 9/1934	C 03 B 9/193
C 03B 9/1936	C 03 B 9/193
C 03B 9/1938	C 03 B 9/193
C 03B 9/195	C 03 B 9/195
C 03B 9/1955	C 03 B 9/195
C 03B 9/197	C 03 B 9/197
C 03B 9/20	C 03 B 9/20
C 03B 9/22	C 03 B 9/22
C 03B 9/225	C 03 B 9/22
C 03B 9/24	C 03 B 9/24
C 03B 9/28	C 03 B 9/28
C 03B 9/29	C 03 B 9/29
C 03B 9/292	C 03 B 9/29
C 03B 9/295	C 03 B 9/295
C 03B 9/2955	C 03 B 9/295
C 03B 9/30	C 03 B 9/30
C 03B 9/31	C 03 B 9/31
C 03B 9/32	C 03 B 9/32
C 03B 9/325	C 03 B 9/325
C 03B 9/33	C 03 B 9/33
C 03B 9/335	C 03 B 9/335
C 03B 9/34	C 03 B 9/34
C 03B 9/342	C 03 B 9/34
C 03B 9/344	C 03 B 9/34
C 03B 9/347	C 03 B 9/347
C 03B 9/353	C 03 B 9/353
C 03B 9/3532	C 03 B 9/353
C 03B 9/3535	C 03 B 9/353
C 03B 9/3537	C 03 B 9/353
C 03B 9/36	C 03 B 9/36
C 03B 9/3609	C 03 B 9/36
C 03B 9/3618	C 03 B 9/36
C 03B 9/3627	C 03 B 9/36
C 03B 9/3636	C 03 B 9/36
C 03B 9/3645	C 03 B 9/36
C 03B 9/3654	C 03 B 9/36
C 03B 9/3663	C 03 B 9/36
C 03B 9/3672	C 03 B 9/36
C 03B 9/3681	C 03 B 9/36
C 03B 9/369	C 03 B 9/36
C 03B 9/38	C 03 B 9/38
C 03B 9/3808	C 03 B 9/38
C 03B 9/3816	C 03 B 9/38
C 03B 9/3825	C 03 B 9/38
C 03B 9/3833	C 03 B 9/38
C 03B 9/3841	C 03 B 9/38
C 03B 9/385	C 03 B 9/38
C 03B 9/3858	C 03 B 9/38
C 03B 9/3866	C 03 B 9/38
C 03B 9/3875	C 03 B 9/38
C 03B 9/3883	C 03 B 9/38
C 03B 9/3891	C 03 B 9/38
C 03B 9/40	C 03 B 9/40
C 03B 9/403	C 03 B 9/40
C 03B 9/406	C 03 B 9/40
C 03B 9/41	C 03 B 9/41
C 03B 9/42	C 03 B 9/42
C 03B 9/44	C 03 B 9/44
C 03B 9/447	C 03 B 9/447
C 03B 9/453	C 03 B 9/453
C 03B 9/4535	C 03 B 9/453
C 03B 9/46	C 03 B 9/46
C 03B 9/48	C 03 B 9/48
C 03B 11/00	C 03 B 11/00
C 03B 11/005	C 03 B 11/00
C 03B 11/02	C 03 B 11/02
C 03B 11/04	C 03 B 11/04
C 03B 11/05	C 03 B 11/05
C 03B 11/06	C 03 B 11/06
C 03B 11/07	C 03 B 11/07
C 03B 11/08	C 03 B 11/08
C 03B 11/082	C 03 B 11/08
C 03B 11/084	C 03 B 11/08
C 03B 11/086	C 03 B 11/08
C 03B 11/088	C 03 B 11/08
C 03B 11/10	C 03 B 11/10
C 03B 11/12	C 03 B 11/12
C 03B 11/122	C 03 B 11/12
C 03B 11/125	C 03 B 11/12
C 03B 11/127	C 03 B 11/12
C 03B 11/14	C 03 B 11/14
C 03B 11/16	C 03 B 11/16
C 03B 13/00	C 03 B 13/00
C 03B 13/01	C 03 B 13/01
C 03B 13/02	C 03 B 13/02
C 03B 13/04	C 03 B 13/04
C 03B 13/06	C 03 B 13/06
C 03B 13/08	C 03 B 13/08
C 03B 13/10	C 03 B 13/10
C 03B 13/12	C 03 B 13/12
C 03B 13/14	C 03 B 13/14
C 03B 13/16	C 03 B 13/16
C 03B 13/18	C 03 B 13/18
C 03B 13/183	C 03 B 13/18
C 03B 13/186	C 03 B 13/18
C 03B 15/00	C 03 B 15/00
C 03B 15/02	C 03 B 15/02
C 03B 15/04	C 03 B 15/04
C 03B 15/06	C 03 B 15/06
C 03B 15/08	C 03 B 15/08
C 03B 15/10	C 03 B 15/10
C 03B 15/12	C 03 B 15/12
C 03B 15/14	C 03 B 15/14
C 03B 15/16	C 03 B 15/16
C 03B 15/18	C 03 B 15/18
C 03B 17/00	C 03 B 17/00
C 03B 17/02	C 03 B 17/02
C 03B 17/025	C 03 B 17/02
C 03B 17/04	C 03 B 17/04
C 03B 17/06	C 03 B 17/06
C 03B 17/061	C 03 B 17/06
C 03B 17/062	C 03 B 17/06
C 03B 17/064	C 03 B 17/06
C 03B 17/065	C 03 B 17/06
C 03B 17/067	C 03 B 17/06
C 03B 17/068	C 03 B 17/06
C 03B 18/00	C 03 B 18/00
C 03B 18/02	C 03 B 18/02
C 03B 18/04	C 03 B 18/04
C 03B 18/06	C 03 B 18/06
C 03B 18/08	C 03 B 18/08
C 03B 18/10	C 03 B 18/10
C 03B 18/12	C 03 B 18/12
C 03B 18/14	C 03 B 18/14
C 03B 18/16	C 03 B 18/16
C 03B 18/18	C 03 B 18/18
C 03B 18/20	C 03 B 18/20
C 03B 18/22	C 03 B 18/22
C 03B 19/00	C 03 B 19/00
C 03B 19/01	C 03 B 19/01
C 03B 19/02	C 03 B 19/02
C 03B 19/025	C 03 B 19/02
C 03B 19/04	C 03 B 19/04
C 03B 19/06	C 03 B 19/06
C 03B 19/063	C 03 B 19/06
C 03B 19/066	C 03 B 19/06
C 03B 19/08	C 03 B 19/08
C 03B 19/09	C 03 B 19/09
C 03B 19/095	C 03 B 19/09
C 03B 19/10	C 03 B 19/10
C 03B 19/1005	C 03 B 19/10
C 03B 19/101	C 03 B 19/10
C 03B 19/1015	C 03 B 19/10
C 03B 19/102	C 03 B 19/10
C 03B 19/1025	C 03 B 19/10
C 03B 19/103	C 03 B 19/10
C 03B 19/1035	C 03 B 19/10
C 03B 19/104	C 03 B 19/10
C 03B 19/1045	C 03 B 19/10
C 03B 19/105	C 03 B 19/10
C 03B 19/1055	C 03 B 19/10
C 03B 19/106	C 03 B 19/10
C 03B 19/1065	C 03 B 19/10
C 03B 19/107	C 03 B 19/10
C 03B 19/1075	C 03 B 19/10
C 03B 19/108	C 03 B 19/10
C 03B 19/1085	C 03 B 19/10
C 03B 19/109	C 03 B 19/10
C 03B 19/1095	C 03 B 19/10
C 03B 19/12	C 03 B 19/12
C 03B 19/14	C 03 B 19/14
C 03B 19/1407	C 03 B 19/14
C 03B 19/1415	C 03 B 19/14
C 03B 19/1423	C 03 B 19/14
C 03B 19/143	C 03 B 19/14
C 03B 19/1438	C 03 B 19/14
C 03B 19/1446	C 03 B 19/14
C 03B 19/1453	C 03 B 19/14
C 03B 19/1461	C 03 B 19/14
C 03B 19/1469	C 03 B 19/14
C 03B 19/1476	C 03 B 19/14
C 03B 19/1484	C 03 B 19/14
C 03B 19/1492	C 03 B 19/14
C 03B 20/00	C 03 B 20/00
C 03B 21/00	C 03 B 21/00
C 03B 21/02	C 03 B 21/02
C 03B 21/04	C 03 B 21/04
C 03B 21/06	C 03 B 21/06
C 03B 23/00	C 03 B 23/00
C 03B 23/0006	C 03 B 23/00
C 03B 23/0013	C 03 B 23/00
C 03B 23/002	C 03 B 23/00
C 03B 23/0026	C 03 B 23/00
C 03B 23/0033	C 03 B 23/00
C 03B 23/004	C 03 B 23/00
C 03B 23/0046	C 03 B 23/00
C 03B 23/0053	C 03 B 23/00
C 03B 23/006	C 03 B 23/00
C 03B 23/0066	C 03 B 23/00
C 03B 23/0073	C 03 B 23/00
C 03B 23/008	C 03 B 23/00
C 03B 23/0086	C 03 B 23/00
C 03B 23/0093	C 03 B 23/00
C 03B 23/02	C 03 B 23/02
C 03B 23/023	C 03 B 23/023
C 03B 23/0235	C 03 B 23/023
C 03B 23/025	C 03 B 23/025
C 03B 23/0252	C 03 B 23/025
C 03B 23/0254	C 03 B 23/025
C 03B 23/0256	C 03 B 23/025
C 03B 23/0258	C 03 B 23/025
C 03B 23/027	C 03 B 23/027
C 03B 23/03	C 03 B 23/03
C 03B 23/0302	C 03 B 23/03
C 03B 23/0305	C 03 B 23/03
C 03B 23/0307	C 03 B 23/03
C 03B 23/031	C 03 B 23/031
C 03B 23/0315	C 03 B 23/031
C 03B 23/033	C 03 B 23/033
C 03B 23/035	C 03 B 23/035
C 03B 23/0352	C 03 B 23/035
C 03B 23/0355	C 03 B 23/035
C 03B 23/0357	C 03 B 23/035
C 03B 23/037	C 03 B 23/037
C 03B 23/04	C 03 B 23/04
C 03B 23/043	C 03 B 23/043
C 03B 23/045	C 03 B 23/045
C 03B 23/047	C 03 B 23/047
C 03B 23/0473	C 03 B 23/047
C 03B 23/0476	C 03 B 23/047
C 03B 23/049	C 03 B 23/049
C 03B 23/0493	C 03 B 23/049
C 03B 23/0496	C 03 B 23/049
C 03B 23/051	C 03 B 23/051
C 03B 23/053	C 03 B 23/053
C 03B 23/055	C 03 B 23/055
C 03B 23/057	C 03 B 23/057
C 03B 23/06	C 03 B 23/06
C 03B 23/065	C 03 B 23/06
C 03B 23/07	C 03 B 23/07
C 03B 23/073	C 03 B 23/07
C 03B 23/076	C 03 B 23/07
C 03B 23/08	C 03 B 23/08
C 03B 23/09	C 03 B 23/09
C 03B 23/091	C 03 B 23/09
C 03B 23/092	C 03 B 23/09
C 03B 23/093	C 03 B 23/09
C 03B 23/094	C 03 B 23/09
C 03B 23/095	C 03 B 23/09
C 03B 23/096	C 03 B 23/09
C 03B 23/097	C 03 B 23/09
C 03B 23/098	C 03 B 23/09
C 03B 23/099	C 03 B 23/09
C 03B 23/11	C 03 B 23/11
C 03B 23/112	C 03 B 23/11
C 03B 23/114	C 03 B 23/11
C 03B 23/116	C 03 B 23/11
C 03B 23/118	C 03 B 23/11
C 03B 23/13	C 03 B 23/13
C 03B 23/18	C 03 B 23/18
C 03B 23/20	C 03 B 23/20
C 03B 23/203	C 03 B 23/203
C 03B 23/207	C 03 B 23/207
C 03B 23/213	C 03 B 23/213
C 03B 23/217	C 03 B 23/217
C 03B 23/22	C 03 B 23/22
C 03B 23/24	C 03 B 23/24
C 03B 23/245	C 03 B 23/24
C 03B 23/26	C 03 B 23/26
C 03B 25/00	C 03 B 25/00
C 03B 25/02	C 03 B 25/02
C 03B 25/025	C 03 B 25/02
C 03B 25/04	C 03 B 25/04
C 03B 25/06	C 03 B 25/06
C 03B 25/08	C 03 B 25/08
C 03B 25/087	C 03 B 25/087
C 03B 25/093	C 03 B 25/093
C 03B 25/10	C 03 B 25/10
C 03B 25/12	C 03 B 25/12
C 03B 27/00	C 03 B 27/00
C 03B 27/004	C 03 B 27/004
C 03B 27/008	C 03 B 27/008
C 03B 27/012	C 03 B 27/012
C 03B 27/016	C 03 B 27/016
C 03B 27/02	C 03 B 27/02
C 03B 27/022	C 03 B 27/02
C 03B 27/024	C 03 B 27/02
C 03B 27/026	C 03 B 27/02
C 03B 27/028	C 03 B 27/02
C 03B 27/03	C 03 B 27/03
C 03B 27/035	C 03 B 27/03
C 03B 27/04	C 03 B 27/04
C 03B 27/0404	C 03 B 27/04
C 03B 27/0408	C 03 B 27/04
C 03B 27/0413	C 03 B 27/04
C 03B 27/0417	C 03 B 27/04
C 03B 27/0422	C 03 B 27/04
C 03B 27/0426	C 03 B 27/04
C 03B 27/0431	C 03 B 27/04
C 03B 27/0435	C 03 B 27/04
C 03B 27/044	C 03 B 27/044
C 03B 27/0442	C 03 B 27/044
C 03B 27/0445	C 03 B 27/044
C 03B 27/0447	C 03 B 27/044
C 03B 27/048	C 03 B 27/048
C 03B 27/052	C 03 B 27/052
C 03B 27/0522	C 03 B 27/052
C 03B 27/0524	C 03 B 27/052
C 03B 27/0526	C 03 B 27/052
C 03B 27/0528	C 03 B 27/052
C 03B 27/056	C 03 B 27/056
C 03B 27/06	C 03 B 27/06
C 03B 27/062	C 03 B 27/06
C 03B 27/065	C 03 B 27/06
C 03B 27/067	C 03 B 27/06
C 03B 29/00	C 03 B 29/00
C 03B 29/02	C 03 B 29/02
C 03B 29/025	C 03 B 29/02
C 03B 29/04	C 03 B 29/04
C 03B 29/06	C 03 B 29/06
C 03B 29/08	C 03 B 29/08
C 03B 29/10	C 03 B 29/10
C 03B 29/12	C 03 B 29/12
C 03B 29/14	C 03 B 29/14
C 03B 29/16	C 03 B 29/16
C 03B 31/00	C 03 B 31/00
C 03B 32/00	C 03 B 32/00
C 03B 32/005	C 03 B 32/00
C 03B 32/02	C 03 B 32/02
C 03B 33/00	C 03 B 33/00
C 03B 33/02	C 03 B 33/02
C 03B 33/0207	C 03 B 33/02
C 03B 33/0215	C 03 B 33/02
C 03B 33/0222	C 03 B 33/02
C 03B 33/023	C 03 B 33/023
C 03B 33/0235	C 03 B 33/023
C 03B 33/027	C 03 B 33/027
C 03B 33/03	C 03 B 33/03
C 03B 33/033	C 03 B 33/033
C 03B 33/037	C 03 B 33/037
C 03B 33/04	C 03 B 33/04
C 03B 33/06	C 03 B 33/06
C 03B 33/07	C 03 B 33/07
C 03B 33/072	C 03 B 33/07
C 03B 33/074	C 03 B 33/07
C 03B 33/076	C 03 B 33/07
C 03B 33/078	C 03 B 33/07
C 03B 33/08	C 03 B 33/08
C 03B 33/082	C 03 B 33/08
C 03B 33/085	C 03 B 33/085
C 03B 33/0855	C 03 B 33/085
C 03B 33/09	C 03 B 33/09
C 03B 33/091	C 03 B 33/09
C 03B 33/093	C 03 B 33/09
C 03B 33/095	C 03 B 33/095
C 03B 33/0955	C 03 B 33/095
C 03B 33/10	C 03 B 33/10
C 03B 33/102	C 03 B 33/10
C 03B 33/105	C 03 B 33/10
C 03B 33/107	C 03 B 33/10
C 03B 33/12	C 03 B 33/12
C 03B 33/14	C 03 B 33/14
C 03B 35/00	C 03 B 35/00
C 03B 35/005	C 03 B 35/00
C 03B 35/04	C 03 B 35/04
C 03B 35/06	C 03 B 35/06
C 03B 35/062	C 03 B 35/06
C 03B 35/064	C 03 B 35/06
C 03B 35/066	C 03 B 35/06
C 03B 35/068	C 03 B 35/06
C 03B 35/08	C 03 B 35/08
C 03B 35/085	C 03 B 35/08
C 03B 35/10	C 03 B 35/10
C 03B 35/12	C 03 B 35/12
C 03B 35/125	C 03 B 35/12
C 03B 35/14	C 03 B 35/14
C 03B 35/142	C 03 B 35/14
C 03B 35/145	C 03 B 35/14
C 03B 35/147	C 03 B 35/14
C 03B 35/16	C 03 B 35/16
C 03B 35/161	C 03 B 35/16
C 03B 35/162	C 03 B 35/16
C 03B 35/163	C 03 B 35/16
C 03B 35/164	C 03 B 35/16
C 03B 35/165	C 03 B 35/16
C 03B 35/166	C 03 B 35/16
C 03B 35/167	C 03 B 35/16
C 03B 35/168	C 03 B 35/16
C 03B 35/18	C 03 B 35/18
C 03B 35/181	C 03 B 35/18
C 03B 35/182	C 03 B 35/18
C 03B 35/183	C 03 B 35/18
C 03B 35/184	C 03 B 35/18
C 03B 35/185	C 03 B 35/18
C 03B 35/186	C 03 B 35/18
C 03B 35/187	C 03 B 35/18
C 03B 35/188	C 03 B 35/18
C 03B 35/189	C 03 B 35/18
C 03B 35/20	C 03 B 35/20
C 03B 35/202	C 03 B 35/20
C 03B 35/205	C 03 B 35/20
C 03B 35/207	C 03 B 35/20
C 03B 35/22	C 03 B 35/22
C 03B 35/24	C 03 B 35/24
C 03B 35/243	C 03 B 35/24
C 03B 35/246	C 03 B 35/24
C 03B 35/26	C 03 B 35/26
C 03B 37/00	C 03 B 37/00
C 03B 37/005	C 03 B 37/005
C 03B 37/01	C 03 B 37/01
C 03B 37/011	C 03 B 37/01
C 03B 37/012	C 03 B 37/012
C 03B 37/01202	C 03 B 37/012
C 03B 37/01205	C 03 B 37/012
C 03B 37/01208	C 03 B 37/012
C 03B 37/01211	C 03 B 37/012
C 03B 37/01214	C 03 B 37/012
C 03B 37/01217	C 03 B 37/012
C 03B 37/0122	C 03 B 37/012
C 03B 37/01222	C 03 B 37/012
C 03B 37/01225	C 03 B 37/012
C 03B 37/01228	C 03 B 37/012
C 03B 37/01231	C 03 B 37/012
C 03B 37/01234	C 03 B 37/012
C 03B 37/01237	C 03 B 37/012
C 03B 37/0124	C 03 B 37/012
C 03B 37/01242	C 03 B 37/012
C 03B 37/01245	C 03 B 37/012
C 03B 37/01248	C 03 B 37/012
C 03B 37/01251	C 03 B 37/012
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CPC to IPC Concordance for Subclass C03B

CPC to IPC Concordance for Subclass C 03B