IPC Main Group
A62B 13/00 Special devices for ventilating gasproof shelters
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- LIFE-SAVING; FIRE-FIGHTING
- Subclass:
- DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
Related Keywords
BREATHING APPLIANCES for sealed rooms or containers