EN 17020-4-2021
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现行
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中文名称:
门和可开启窗户自动关闭耐久性试验结果的扩展应用.第4部分:耐火和/或防烟铰链和枢轴金属框架玻璃门和可打开窗户自动关闭的耐久性 |
英文名称:Extended application of test results on durability of self-closing for doorsets and openable windows - Part 4: Durability of self-closing of fire resistance and/or smoke control hinged and pivoted metal framed glazed doorsets and openable windows |
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13.220.50;91.060.50
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IT
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2021-05-12
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2021-05-12
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