Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F04
POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
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F04B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
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7/00
Piston machines or pumps characterised by having positively-driven valving
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F04B7/02
the valving being fluid-actuated
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F04B7/0233
a common distribution member forming a single discharge distributor for a plurality of pumping chambers
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