DIFF Subgroup
B23Q 15/20 before or after the tool acts upon the workpiece
Introduced: January 1980
Full Title
Automatic control or regulation of feed movement, cutting velocity or position of tool or work > before or after the tool acts upon the workpiece
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- B23Q 15/22 Control or regulation of position of tool or workpiece since 1980 +1 CPC IPC+CPC Available in IPC and CPC