CPC Subgroup
B01D 3/32 Other features of fractionating columns
Full Title
Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping ( gas chromatography B01D15/08; destructive distillation C10B; preparation of alcoholic beverages by distillation C12H6/02) > Fractional distillation > Other features of fractionating columns
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