CPC Main Group
F28C 3/00 Other direct-contact heat-exchange apparatus
5 direct subcodes
Child Classifications
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- F28C 3/02 the heat-exchange media both being gases or vapours
- F28C 3/04 the heat-exchange media both being liquids
- F28C 3/06 the heat-exchange media being a liquid and a gas or vapour (temperators for cooling steam F22)
- F28C 3/10 one heat-exchange medium at least being a fluent solid, e.g. a particulate material