| Rolled products for steel structural elements. General specifications
Прокат для строительных стальных конструкций. Общие технические условия. |
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PRF Указ N 960 от 11.08.2003Decree 960 of August 11, 2003. Issues … |
GD 937Concerning Normative Requirements on Labor … |
GOST 18105-86Concrete. Strength testing rules |