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PCE
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CPC Subgroup
F04B 1/34

Control not provided for in groups F04B1/02, F04B1/03, F04B1/06 or F04B1/26

Full Title

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00) > Control not provided for in groups F04B1/02, F04B1/03, F04B1/06 or F04B1/26