Submerged-arc welding. Welded joints. Basic types, design elements, dimensions
Сварка под флюсом. Соединения сварные. Основные типы, конструктивные элементы и размеры. |
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RusRWS УДК 629.4.016.12-656.22Rules for making traction calculations in train … |
FCS 07-21-51328List of Quarantinable Products Goods and Materials |
SNiP 3.05.04-85Exterior Water Supply and Sewer Systems and … |