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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
F04F1/02—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped using both positively and negatively pressurised fluid medium, e.g. alternating
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FR1010013D1948-07-211948-07-21Procédé permettant d'aspirer et de refouler un liquide, et pompe perfectionnée pour la mise en oeuvre de ce procédé
ExpiredFR1010013A
(fr)
Procédé pour appliquer un enduit liquide uniforme sur un fil qui se meut d'une manière continue et dispositif pour la mise en oeuvre de ce procédé.