Steel guard rails for stairways, balconies, and roofs. General specifications
Ограждения Лестниц, Балконов и Крыш Стальные. Общие технические условия. |
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GOST 10060.1-95Concrete. Basic method for determining cold … |
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GOST ИСО 13706-2011Air-cooled apparatus. General technical … |
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RD 153-39.4-042-99Guidelines for Determining the Mass of Oil … |