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PCE
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DIFF Subgroup
F04B 1/107

with actuating or actuated elements at the outer ends of the cylinders

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders > having cylinders in star- or fan-arrangement > the cylinders being movable, e.g. rotary > with actuating or actuated elements at the outer ends of the cylinders

CPC:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00) > having cylinders in star- or fan-arrangement > the cylinders being movable, e.g. rotary > with actuating or actuated elements at the outer ends of the cylinders

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2020.

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