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PCE
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DIFF Subgroup
B23C 3/26

Making square or polygonal holes in workpieces, e.g. key holes in tools

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Milling particular work; Special milling operations; Machines therefor > Making square or polygonal holes in workpieces, e.g. key holes in tools

CPC:

Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, ) > Making square or polygonal holes in workpieces, e.g. key holes in tools

No child classifications to compare. This is a leaf node in both IPC and CPC.