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PCE
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CPC Subgroup
B01D 1/14

with heated gases or vapours in contact with the liquid

Full Title

Evaporating ( ; removal of incrustation B08B; preparation of starch C08B30/00; sugar industry C13; prevention of incrustation C23F; drying solid materials or objects by evaporating liquids therefrom F26) > with heated gases or vapours in contact with the liquid