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Tungsten concentrate. Spectrum method of determination of calcium oxide content
Document status: Active
Vessels and apparatus. Norms and methods of strength calculation. Reinforcement of openings in shells and heads under internal and external pressure. Strength calculation of shells and heads under external static loads on the nozzle
Document status: Replaced by GOST 34233.3-2017
Petroleum products. Method of test for water-soluble acids and alkalies
Document status: Active
