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Publication of FR991915ApublicationCriticalpatent/FR991915A/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
F04C9/00—Oscillating-piston machines or pumps
F04C9/002—Oscillating-piston machines or pumps the piston oscillating around a fixed axis
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FR991915D1948-10-191949-06-22Perfectionnements apportés aux pompes à ailettes
ExpiredFR991915A
(fr)