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UL Fire Door
UL Steel Fire Door
UL Stainless Fire Door
UL Wood Fire Door
EN Fire Door
EN Steel Fire Door
EN Stainless Fire Door
EN Wood Fire Door
AS Fire Door
AS Steel Fire Door
AS Stainless Fire Door
AS Wood Fire Door
BS Fire Door
BS Steel Fire Door
BS Stainless Fire Door
BS Wood Fire Door
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不锈钢防火门
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玻璃防火门
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Fire Rated Fabric Roller Shutters
Steel Fire Rated Shutters
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» 防火门间隙规
10
8月
防火门间隙规
对防火门各搭接处的间隙尺寸有明确要求：钢质防火门，要求扇与门框搭接不小于10mm，扇与门框之间的间隙不小于4mm。两侧门框不应大于XNUMXmm。 欢迎咨询我们。
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