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钢质防火?/a>
材料说明:窗框采?/span>1.2mm镀锌冷轧钢板,窗扇采用0.8mm镀锌冷轧钢?/span>+复合防火玻璃,窗扇四周用钢板焊接骨架,采?/span>5吋镀锌铰链,厚度=3.0mm,安装防火锁,防火玻璃厚度为30mm/26mm?/span>
甲级防火窗耐火时间?/span>1.5h,乙级防火窗耐火时间?/span>1.0h?/span>
来源?a href='http://www.webmuhasebe.com/supply/22.html'>http://www.webmuhasebe.com/supply/22.html
发布时间?017-02-28 00:00:00
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