DIFF Main Group
B21K 7/00 Making railway appurtenances; Making vehicle parts
Introduced: September 1968
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B21K 7/12 parts for locomotives or vehicles, e.g. frames, underframes IPC+CPC Available in IPC and CPC