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Methyl chloride for industrial use. Determination of impurities. Gas chromatographic methods

Document status: Active

Occupational safety standards system. Equipment and facilities for prevention and localization explosions of dust-air mixtures in coal mines dangerous on gas and dust. General technical requirements. Safety requirements and test methods

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Raw materials for crushed gravel, gravel and sand for construction. Technical requirements and test methods

Document status: Withdrawn

Iron ores, agglomerates and pellets. Method for determination of reduction strength

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Synthetic detergents. Method for determination of mass percentage surface active agents

Document status: Active

Carbonaceous materials used in the production of aluminium. Sampling plans and sampling from individual units. Part 2. Prebaked anodes

Document status: Active