Russian standards

Vessels and apparatus. Norms and methods of strength calculation. Reinforcement of openings in shells and heads under internal and external pressure. Strength calculation of shells and heads under external static loads on the nozzle

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Dusts of non-ferrous metallurgy enterprises. Methods of silicon dioxide mass content measuring

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Sodium sulphate crystallization. Specifications

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Raw clay in the production of clay powders for drilling muds. Method of determination of suspension sedimentation index

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Gasoline. Determination of the phosphorus content

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Reagents. Nickel nitrate 6-aqueous. Specifications

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