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SEV (СЭВ) СТ СЭВ 3972-83Comecon Standard 3972-83. Standard of the council for mutual economic assistance. Reliability of building structures and foundations. Steel structures. Basic provisions for analysis.Надежность строительных конструкций и оснований. Конструкции стальные. Основные положения по расчету. |
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OST (ОСТ) 26-2043-77Bolts Studs Nuts and Washers for Flanged Joints |
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GOST (ГОСТ) 18164-72Drinking water. Method for determining dry residue contentВода питьевая. Метод определения содержания сухого остатка. |
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