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Activated carbon. Standard test method for particle size distribution
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On approval of Federal norms and regulations in the field of industrial safety 'General rules on explosion protection for explosive and fire hazardous chemical, petrochemical plants and oil refineries' Order No. 533 dated 15.12.2020 of the Federal Service for Environmental, Technological and Nuclear Supervision (Rostechnadzor)
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Federal norms and regulations in the field of industrial safety 'On approval of safety guidelines for flare systems' Order No. 450 dated 22.12.2021 of the Federal Service for Environmental, Technological and Nuclear Supervision (Rostechnadzor)
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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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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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