IPC Main Group
A62B 18/00 Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes
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 aids for high-altitude CLIMBINGGAS(ES) masks
4 direct subcodes
Child Classifications
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- A62B 18/02 Masks
- A62B 18/04 Gas helmets
- A62B 18/06 Gas masks for animals
- A62B 18/08 Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices