DIFF Main Group
B21D 35/00 Combined processes according to methods covered by groups B21D1/00 - B21D31/00 (B21D21/00 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Combined processes according to methods covered by groups
CPC: Combined processes according to methods covered by groups B21D1/00 - B21D31/00 (B21D21/00 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Combined processes according to methods covered by groups
CPC:
Combined processes according to methods covered by groups B21D1/00 - B21D31/00 (B21D21/00 takes precedence)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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