Metal structural elements. General specifications
Конструкции металлические строительные. Общие технические условия |
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GD Постановление 870 от 29.10.2010Government of the Russian Federation. Decree N … |
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GOST 9400-81Threaded connecting ends for valves, fittings, … |
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RD 153-39-4-074-01Guidelines for Responding to Emergencies and … |