IPC Main Group
F28F 7/00 Elements not covered by group , , or
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEAT EXCHANGE IN GENERAL
- Subclass:
- DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
1 direct subcode
Child Classifications
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- F28F 7/02 Blocks traversed by passages for heat-exchange media