CPC Subgroup
B01D 1/10 with long tubes, e.g. Kestner evaporators (B01D1/12 take precedence)
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) > Evaporators with vertical tubes > with long tubes, e.g. Kestner evaporators (B01D1/12 take precedence)