IPC Subgroup
F23N 5/24 Preventing development of abnormal or undesired conditions, i.e. safety arrangements
Introduced: September 1968
Last revised: January 2006
Full Title
Systems for controlling combustion > Preventing development of abnormal or undesired conditions, i.e. safety arrangements
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- REGULATING OR CONTROLLING COMBUSTION