Russian standards
Ammonium sulphate technical. Determination of matter insoluble in water content. Gravimetric method
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Carbonaceous materials used in the production of aluminium. Baked anodes. Determination of the reactivity to carbon dioxide. Part 1. Loss in mass method
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Hard-metals bits for core exploratory drilling in medium hard. Specifications
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Manganese concentrate for covering electrodes. Specifications
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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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