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PCE
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DIFF Subgroup
F26B 5/06

the process involving freezing

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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

CPC:

Drying solid materials or objects by processes not involving the application of heat (separating liquids from solids by straining B01D; replacing liquids in wet solids by other liquids, e.g. water by spirit, B01D12/00; drying by electrophoresis B01J) > by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum > the process involving freezing

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

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