IPC Subgroup
F28F 21/08 of metal
Introduced: September 1968
Last revised: January 2006
Full Title
Constructions of heat-exchange apparatus characterised by the selection of particular materials > of metal
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