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Diamond bits for drilling of exploratory wells. Main sizes
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Sodium chlorate for industrial use. Determination of mass fraction chloride. Mercurimetric method
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Maleic anhydride for industrial use. Methods of test. Part 4. Determination of maleic anhydride content. Titrimetric method
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Zinc concentrates. Spectrophotometric method of silicon dioxide content determination
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Benzene hydrocarbons and allied products. Method of determination of thiophene content in benzene
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