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JACQUES LAFITTE
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JACQUES LAFITTE
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Publication of FR474701ApublicationCriticalpatent/FR474701A/fr
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
F04C2/00—Rotary-piston machines or pumps
F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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Engineering & Computer Science
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FR474701D1914-07-041914-07-04Perfectionnements aux pompes à deux cylindres concentriques et à piston annulaire
ExpiredFR474701A
(fr)