DIFF Subgroup
B21J 5/02 Die forging; Trimming by making use of special dies
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Methods for forging, hammering, or pressing; Special equipment or accessories therefor > Die forging; Trimming by making use of special dies
CPC:
Methods for forging, hammering, or pressing (for working sheet-metal or metal tubes, rods, or profiles B21D; for working wire B21F); Special equipment or accessories therefor > Die forging; Trimming by making use of special dies
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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