DIFF Subgroup
B24B 47/20 relating to feed movement
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Drives or gearings for grinding machines or devices; Equipment therefor > relating to feed movement
CPC:
Drives or gearings; Equipment therefor > relating to feed movement
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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