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Reagents. Sodium thiosulphate 5-aqueous. Specifications

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Bitumens and bituminous binders. Determination of dynamic viscosity

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Systems ground-control monitoring of boring process oil and gasdrill-holes. General technical requirements and test methods

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Reagents. Sodium thiocyanate. Specifications

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Dusts of nonferrous metallurgy enterprises. Method of lead mass content measuring

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Suspension gears for mine cages. Specifications

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