Patent classifications
A
HUMAN NECESSITIES
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A62
LIFE-SAVING; FIRE-FIGHTING
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A62D
CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
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1/00
Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
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A62D1/0028
Liquid extinguishing substances
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A62D1/0042
"Wet" water, i.e. containing surfactant
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