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A62 - Life-saving; Fire-fighting
More topics under "A62 - Life-saving; Fire-fighting" (100,518)
A62B - Devices, apparatus or methods for life-saving
(43,189)
A62C - Fire-fighting
(38,552)
A62D - 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
(18,777)