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UL Steel Fire Door
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EN Steel Fire Door
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AS Wood Fire Door
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Hebrew
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Indonesian Sunda
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Kazakh
Korean
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Persian
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» 防火門無框
16
Aug
防火門無框
建築防火設計規範中明確規定，在擁擠的公共場所和禮堂用於疏散的防火門不能有下框。 公共疏散出口的防火門，如地鐵、大型商場、禮堂等安全出口，疏散通道的防火門不能有下框。
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