F25B 43/006 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F25B 43/006

Full Title

Arrangements for separating or purifying gases or liquids (in analysers or rectifiers F25B33/00); Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat (F25B40/00 takes precedence)

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