标准查询 标准查询建筑五金件.疏散路线用门拉手或推板控制的紧急出口装置.试验方法和要求
Building hardware - Emergency exit devices operated by a lever handle or push pad, for use on escape routes - Requirements and test methods.
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标准查询Building hardware - Emergency exit devices operated by a lever handle or push pad, for use on escape routes - Requirements and test methods.
