DIFF Main Group
B21J 7/00 Hammers; Forging machines with hammers or die jaws acting by impact (hand hammers B25D; electrical features in section H)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Hammers; Forging machines with hammers or die jaws acting by impact
CPC: Hammers; Forging machines with hammers or die jaws acting by impact (hand hammers B25D; electrical features in section H)
Full Title
Full titles differ between systems:
IPC:
Hammers; Forging machines with hammers or die jaws acting by impact
CPC:
Hammers; Forging machines with hammers or die jaws acting by impact (hand hammers B25D; electrical features in section H)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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