Fire Damper Valves of Ventilation Systems. Test Method for Fire-Resistance
Клапаны противопожарные вентиляционных систем. Метод испытаний на огнестойкость. |
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GOST 21719-80Soils. In-situ Shear Strength Test Methods. |
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GD 975On the approval of the Rules of Subsuming the … |
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MISC Agreement 5-17-95Agreement On Interaction and Differentiation of … |