IPC Subgroup
F22B 37/22 Drums; Headers; Accessories therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > Drums; Headers; Accessories therefor
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- METHODS OF STEAM GENERATION; STEAM BOILERS