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DIFF Subgroup
B21J 7/46

Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Hammers; Forging machines with hammers or die jaws acting by impact > Drives for hammers; Transmission means therefor > Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups

CPC:

Hammers; Forging machines with hammers or die jaws acting by impact (hand hammers B25D; electrical features in section H) > Drives for hammers; Transmission means therefor > Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups

No child classifications to compare. This is a leaf node in both IPC and CPC.