DIFF Subgroup
B21J 7/44 equipped with belts, ropes, cables, chains
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 > for drop hammers > operated by rotary drive, e.g. electric motors > equipped with belts, ropes, cables, chains
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 > for drop hammers > operated by rotary drive, e.g. electric motors > equipped with belts, ropes, cables, chains
No child classifications to compare. This is a leaf node in both IPC and CPC.