CPC Subgroup Additional Only
F25D 2317/041 by purification
Full Title
Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass > Treating air flowing to refrigeration compartments > by purification
5 direct subcodes
Child Classifications
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- F25D 2317/0411 by dehumidification
- F25D 2317/0413 by humidification
- F25D 2317/0415 by deodorizing
- F25D 2317/0416 using an ozone generator
- F25D 2317/0417 using an UV-lamp