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Double tube core barrels for exploration drilling. Types and main parameters

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Reagents. Strontium chloride, 6-aqueous. Specifications

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Brown coals, hard coals and anthracites. Methods for determination of beryllium, boron, manganese, barium, chromium, nickel, cobalt, lead, gallium, vanadium, copper, zinc, molybdenum, yttrium and lanthanum

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Liquid petroleum products. Petroleum. Determination of benzene content by method of gas chromatography

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Technical dimethylamin. Specifications

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Concentrated nitric acid. Specification

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