IPC Subgroup
F22B 37/76 Adaptations or mounting of devices for observing existence or direction of fluid flow
Introduced: September 1968
Last revised: January 2006
Full Title
Component parts or details of steam boilers > Adaptations or mounting of devices for observing existence or direction of fluid flow
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- METHODS OF STEAM GENERATION; STEAM BOILERS