| 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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GOST 24452-80Concrete. Methods for determining prism … |
GOST 14918-80Continuously galvainized thin sheet steel. … |
FCS 02-24-19710Certification of Highway Construction Equipment |