DIFF Subgroup
B23C 5/28 Features relating to lubricating or cooling
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Milling-cutters > Features relating to lubricating or cooling
CPC:
Milling-cutters (for cutting gear-teeth B23F21/12) > Features relating to lubricating or cooling
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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