| Petroleum products. Methods for determining fractional composition
Нефтепродукты. Методы определения фракционного состава. |
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GOST 2177-99Petroleum products. Methods for determining … |
MCHS Приказ N 627 от 20.10.2008MChS Order N 627 dated October 20, 2008 … |
GOST 11969-79Fusion welding. Key provisions and designations |