Filtering boxes for industrial gas masks. Methods for determining the time of protective action for vaporous harmful substances
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Occupational safety standards system. Industrial filtering gas masks and respirators. Methods for determining the time of protective action of filtering-absorbing boxes for vaporous harmful impurities
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Filtering boxes for industrial gas masks. Methods for determining the time of protective action for gaseous harmful substances
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Occupational safety standards system. Industrial filtering gas masks and respirators. Methods for determining the protective action time of filtering-absorbing boxes for gaseous harmful impurities
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Filtering boxes for industrial gas masks. Method for determining the time of protective action for carbon monoxide
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Occupational safety standards system. Industrial filtering gas masks and respirators. Method for determining the time of protective action of filtering-absorbing boxes on carbon monoxide
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Filtering boxes for industrial gas masks. Method for determining the time of protective action for mercury vapor
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Occupational safety standards system. Industrial filtering gas masks and respirators. Method of testing all-service canisters protection time against mercury vapours
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Filtering boxes for industrial gas masks. Method of determining resistance to constant air flow
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Filtering boxes for protective masks and respirators. Method of determining resistance to constant air flow
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Industrial gas masks. Nephelometric method for determining the coefficients of penetration and suction of oil fog
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Occupational safety standards system. Industrial filtering gas masks and respirators. Nephelometric methods for determination of penetration coefficient of oil mist under the face part
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