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Occupational safety standards system. Personal protective means against alkalies. Norms of alkali permeability
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Industrial purity. Filters and their elements. Testing methods
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Occupational safety standards system. Respiratory protective equipment. Particle filters. General specifications
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Occupation safety standards system. Special shoes. Quality characteristics nomenclature
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Occupational safety standards system. Personal protective equipment against cold. Methods for determination of ensemble thermal insulation
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Resources saving. Waste treatment. Characteristics of polyvinylchloride recycles
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