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PCE
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DIFF Subgroup
B23F 9/07

having a shape similar to a crown wheel or a part thereof

Introduced: July 1974

Full Title

Making gears having teeth curved in their longitudinal direction > by planing or slotting with reciprocating cutting tools > having a shape similar to a crown wheel or a part thereof

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