IPC Subgroup
F22B 9/18 Component parts thereof; Accessories therefor, e.g. stay-bolt connections
Introduced: September 1968
Last revised: January 2006
Full Title
Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body > Component parts thereof; Accessories therefor, e.g. stay-bolt connections
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- METHODS OF STEAM GENERATION; STEAM BOILERS