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Publication of FR870890ApublicationCriticalpatent/FR870890A/fr
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
F04B45/08—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having peristaltic action
F04B45/10—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having peristaltic action having plate-like flexible members
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FR870890D1938-12-311939-07-12Pompe, compresseur ou moteur fonctionnant au moyen d'un fluide liquide ou gazeux
ExpiredFR870890A
(fr)
Dispositif au moyen duquel on obtient un contact étanche entre le piston et les parties fixes d'une machine rotative telle qu'un compresseur, une pompe, ou un moteur