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In collective NBC protection, the period of time needed to exchange the air in a controlled space to reduce the hazard to a predetermined level, kollektiivses massihävitusrelvakaitses aeg, mis kulub eraldatud ruumis õhu vahetamisele ohu vähendamiseks ettemääratud tasemeni
temps de purge . Militerm | riigikaitseterminite andmebaas . Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mil/temps%20de%20purge/1/fra (11.07.2026)
