DIFF Main Group
B21J 17/00 Forge furnaces (furnaces for heat treatment C21D9/00; furnaces in general F27)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Forge furnaces
CPC: Forge furnaces (furnaces for heat treatment C21D9/00; furnaces in general F27)
Full Title
Full titles differ between systems:
IPC:
Forge furnaces
CPC:
Forge furnaces (furnaces for heat treatment C21D9/00; furnaces in general F27)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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