having bellows

Introduced: September 1968

Full Title

Pumps or pumping installations having flexible working members and specially adapted for elastic fluids > having bellows

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1995.

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F04B 45/022 CPC only CPC only
F04B 45/024 CPC only CPC only
F04B 45/027 having electric drive since 1995 IPC+CPC Available in IPC and CPC
F04B 45/033 having fluid drive since 1995 +2 CPC IPC+CPC Available in IPC and CPC