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PCE
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DIFF Subgroup
B21J 7/30

operated by electro-magnets

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 power hammers > operated by electro-magnets

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 power hammers > operated by electro-magnets

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