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PCE
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DIFF Subgroup
F04D 29/06

Lubrication

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details, component parts, or accessories > Lubrication

CPC:

Details, component parts, or accessories (machine elements in general F16) > Lubrication

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2006.

Child Classifications

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  • F04D 29/061 CPC only CPC only
  • F04D 29/063 specially adapted for elastic fluid pumps since 2006 IPC+CPC Available in IPC and CPC