标准查询 标准查询建筑五金件.逃离线路用水平杆控制的应急出口装置.要求和试验方法
Building hardware - Panic exit devices operated by a horizontal bar, for use on escape routes - Requirements and test methods.
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标准查询Building hardware - Panic exit devices operated by a horizontal bar, for use on escape routes - Requirements and test methods.
