CPC Subgroup
F25J 3/06 by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 )
Full Title
Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification > by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 )
3 direct subcodes
Child Classifications
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