IPC Main Group
A62B 19/00 Cartridges with absorbing substances for respiratory apparatus
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
1 direct subcode
Child Classifications
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- A62B 19/02 with oxidising agents