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PCE
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DIFF Subgroup
F04B 27/0804

Full Title

Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders (multi-stage pumps specially adapted for elastic fluids F04B25/00) > having cylinders coaxial with, or parallel or inclined to, main shaft axis

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.