IPC Subgroup
F22B 29/02 of forced-circulation type
Introduced: September 1968
Last revised: January 2006
Full Title
Steam boilers of forced-flow type > of forced-circulation type
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- METHODS OF STEAM GENERATION; STEAM BOILERS