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Drill pipes and other elements of drilling equipment for petroleum and natural gas industries. Part 2. Basic parameters and inspection of thread shouldered connection. General technical requirements
Document status: Active
Dusts of nonferrous metallurgy enterprises. Method of lead mass content measuring
Document status: Active
Super pure substances. Method of atomic emission spectroscopy for determination of chemical elements impurities in liquid-phase substances
Document status: Replaced by GOST 27566-2020