Washers for high strength bolts for metal structures. Specifications.
Шайбы к высокопрочным болтам для металлических конструкций. Технические условия. |
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RD REGULATIONS 1990Regulations for the Design and Safe Operation … |
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RusRS cm 48-1688Russian Maritime Register of Shipping. … |
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GOST 21.613-88SPDS. Electric power equipment. Working drawings |