DIFF Main Group
B21K 5/00 Making tools or tool parts, e.g. pliers
Introduced: September 1968
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B21K 5/20 Making working faces of dies, either recessed or outstanding IPC+CPC Available in IPC and CPC