DIFF Subgroup
B23C 3/35 Milling grooves in keys
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Milling particular work; Special milling operations; Machines therefor > Grooving workpieces > Milling grooves in keys
CPC:
Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, ) > Grooving workpieces (tread-cutting by milling B23G1/32) > Milling grooves in keys
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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