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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F04B7/0038
the distribution member forming a single inlet for a plurality of pumping chambers or a multiple discharge for one single pumping chamber
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