IPC Subgroup
A62B 23/04 for gasproof shelters
Introduced: September 1968
Last revised: January 2006
Full Title
Filters for breathing-protection purposes > for gasproof shelters
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- LIFE-SAVING; FIRE-FIGHTING
- Subclass:
- DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING