IPC Main Group
A62D 7/00 Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or helmets
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- LIFE-SAVING; FIRE-FIGHTING
- Subclass:
- CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
Related Keywords
clear view sheets for HELMETScompositions for transparent parts of HELMETS
1 direct subcode
Child Classifications
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- A62D 7/02 Clear-view sheets which prevent the formation of water drops or ice