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PCE
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DIFF Subgroup
B21K 1/06

axles or shafts

Introduced: September 1968

Full Title

Making machine elements > axles or shafts

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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  • B21K 1/063 CPC only CPC only
  • B21K 1/066 CPC only CPC only
  • B21K 1/08 crankshafts IPC+CPC Available in IPC and CPC
  • B21K 1/10 of cylindrical form IPC+CPC Available in IPC and CPC
  • B21K 1/12 of specially-shaped cross-section IPC+CPC Available in IPC and CPC