IPC Subgroup
F28C 3/04 the heat-exchange media both being liquids
Introduced: September 1968
Last revised: January 2006
Full Title
Other direct-contact heat-exchange apparatus > the heat-exchange media both being liquids
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEAT EXCHANGE IN GENERAL
- Subclass:
- HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION