A
SECTION A — HUMAN NECESSITIES
  
HEALTH AND AMUSEMENT
 A62
LIFE-SAVING; FIRE-FIGHTING (ladders E06C)
 A62D
CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
 A62D 1/00
Fire-extinguishing compositions; Selection of chemical substances for use in extinguishing fires
 A62D 3/00
Chemical means for combating harmful chemical agents; Processes for making harmful chemical agents harmless (treatment of sewage or waste water C02C)
 A62D 5/00
Composition of materials for coverings or clothing affording protection against harmful chemical agents
 A62D 7/00
Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or helmets
 A62D 7/02
·  Clear-view sheets which prevent the formation of water drops or ice (compositions for minimising adherence of ice or water to surfaces C09K 3/18)
 A62D 9/00
Composition of chemical substances for use in breathing apparatus (production of oxygen-generating compounds in general, processes for the production of oxygen from chemicals in general C 01 B 13/04, C25B 1/02)