DIFF Main Group
B21C 25/00 Profiling tools for metal extruding
Introduced: September 1968
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B21C 25/08 Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation IPC+CPC Available in IPC and CPC
- B21C 25/10 Making tools by operations not covered by a single other subclass IPC+CPC Available in IPC and CPC