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PCE
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CPC Subgroup
F04B 1/2021

characterised by the contact area between cylinder barrel and valve plate

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) > having cylinder axes coaxial with, or parallel or inclined to, main shaft axis > having rotary cylinder block > Details or component parts > characterised by the contact area between cylinder barrel and valve plate

1 direct subcode

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