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Publication of FR711665ApublicationCriticalpatent/FR711665A/fr
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
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Engineering & Computer Science
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FR711665D1930-05-261930-05-26Dispositif permettant d'élever l'eau des puits profonds
ExpiredFR711665A
(fr)