Description
Class F26B : DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
Subclass 3/20: Drying solid materials or objects by processes involving the application of heat (in specific machines or apparatus F26B 9/00-F26B 19/00) 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 (F26B 3/22 takes precedence)