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F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
F26B5/00—Drying solid materials or objects by processes not involving the application of heat
F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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FR320318D1902-04-101902-04-10Procédé et appareil pour la production économique du vide
ExpiredFR320318A
(fr)