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PCE
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DIFF Subgroup
B23C 3/20

for shaping dies

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Milling particular work; Special milling operations; Machines therefor > Working surfaces curved in two directions > for shaping dies

CPC:

Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, ) > Working surfaces curved in two directions > for shaping dies

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