by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum

Full Title

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

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

DRYING

Subclass:

DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM

Child Classifications

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• F26B 5/06 the process involving freezing