the process involving freezing

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 > the process involving freezing

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

DRYING

Subclass:

DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM