DIFF Subgroup
B23B 3/22 Turning-machines or devices with rotary tool heads
Introduced: September 1968
Full Title
General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines > Turning-machines or devices with rotary tool heads
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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