DIFF Subgroup
B23F 1/08 by broaching; by broach-milling
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Making gear teeth by tools of which the profile matches the profile of the required surface > by broaching; by broach-milling
CPC:
Making gear teeth by tools of which the profile matches the profile of the required surface (special adaptations for making curved teeth B23F9/00) > by broaching; by broach-milling
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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