IPC Subgroup
F22B 3/08 at critical or supercritical pressure values
Introduced: September 1968
Last revised: January 2006
Full Title
Other methods of steam generation; Steam boilers not provided for in other groups of this subclass > at critical or supercritical pressure values
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- METHODS OF STEAM GENERATION; STEAM BOILERS