Fire Damper Valves of Ventilation Systems. Test Method for Fire-Resistance
Клапаны противопожарные вентиляционных систем. Метод испытаний на огнестойкость. |
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SNiP 31-04-2001Warehouses. |
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RD 153-39-007-96Regulations for Preparing Design Process … |
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GOST 11533-75Automatic and semi-automatic submerged arc … |