IPC Main Group
F23Q 5/00 Make-and-break ignition, i.e. with spark generated between electrodes by breaking contact therebetween
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- IGNITION; EXTINGUISHING DEVICES