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Hard coals and anthracites (medium and high rank coals). Codification
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Benzene hydrocarbons and allied products. Method of determination of carbon sulphide in benzene
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Dusts of nonferrous metallurgy enterprises. Method of lead mass content measuring
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The control systems of electrostatic precipitators. The general technical requirements and the methods of tests
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Steel column vessels of diameter from 600 to 10000 mm. Distance between trays
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