WebThis part of GB/T 12955 specifies requirements for test methods of Doorsets. GB 12955 Fire-resisitance tests–temperature curve shown. the fire exposure of door assemblies … WebThe fire doorset composed of door frame, door leaf, fireproof lock and other fireproof. 1. f GB 12955 – 2008. hardware fittings, perpendicular to ground with hinge as shaft and such shaft can rotate either. clockwise or anticlockwise in a single direction to open or close door leaf. 3.2 Fire resistant timber doorsets.
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GB 12955-2008: PDF in English. - Chinese Standard
http://www.csres.com/detail/50705.html Web请先登录 ... Webgb 12955-1991《钢质防火门通用技术条件》、gb 14101-1993《木质防火门通用技术条件》 gb 12955-1991、gb 14101-1993相比主要变化如下: 本标准主要起草人:赵华利、刘晓慧、黄伟、李博、李希全、王鹏翔、张相会、纪祥安、吕滋立、于洋、夏明宪、张明罡、纪春传、 … ship scuttled