DIFF Subgroup
B23F 21/23 with cutter teeth arranged on a spiral curve for continuous generating processes
Introduced: July 1974
Full Title
Tools specially adapted for use in machines for manufacturing gear teeth > Milling tools > Face-mills for longitudinally-curved gear teeth > with cutter teeth arranged on a spiral curve for continuous generating processes
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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