| Steel stairways, landings, and guardrails. Specifications
Лестницы маршевые, площадки и ограждения стальные. Технические условия |
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GOST 8269.0-97Crushed stone and gravel from dense rock and … |
Rosstat 132Goscomstat Resolution 132 Of 12 26 00 Minenergo … |
GOST 27751-88Reliability of structural elements and … |