CPC Subgroup
F26B 3/20 the heat source being a heated surface (F26B3/22 takes precedence)
Full Title
Drying solid materials or objects by processes involving the application of heat (in specific machines or apparatus F26B9/00 - F26B19/00) > by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact > the heat source being a heated surface (F26B3/22 takes precedence)
1 direct subcode
Child Classifications
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