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Publication of DD121820A5publicationCriticalpatent/DD121820A5/xx
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
F04B37/02—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by absorption or adsorption
F04B37/04—Selection of specific absorption or adsorption materials
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Engineering & Computer Science
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Mechanical Engineering
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General Engineering & Computer Science
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Compressors, Vaccum Pumps And Other Relevant Systems
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