State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. The procedure for geological control of the results of quantitative chemical analysis of samples of solid incombustible minerals
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Oil, petrochemical and gas industry. Shell and tube heat-exchangers. Technical specifications. Replaces O’z DSt 1138:2007 in the part of section 7
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Cylindrical container/vessel apparatus for gas and fluid environments. Technical specifications. Replaces Tst 39.0-026:2008
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