IPC Subgroup
F01B 31/08 Cooling of steam engines; Heating; Heat insulation
Introduced: September 1968
Last revised: January 2006
Full Title
Component parts, details or accessories not provided for in, or of interest apart from, other groups > Cooling of steam engines; Heating; Heat insulation
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES