IPC Subgroup
F26B 5/04 by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
Introduced: September 1968
Last revised: January 2006
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
1 direct subcode
Child Classifications
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- F26B 5/06 the process involving freezing