CPC Subgroup
B23C 3/30 Milling straight grooves, e.g. keyways
Full Title
Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, ) > Grooving workpieces (tread-cutting by milling B23G1/32) > Milling straight grooves, e.g. keyways
1 direct subcode
Child Classifications
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