来源:消防根根 如有侵权,请联系删除 一、灯具尺寸如何选择? 1《消防应急照明和疏散指示系统技术标准》GB51309-2018 3.2.1- 6 标志灯的规格应符合下列规定: 1)室内高度大于4.5m的场所,应选择特大型或大型标志灯;
来源:消防根根
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来源:消防根根 如有侵权,请联系删除 一、灯具尺寸如何选择? 1《消防应急照明和疏散指示系统技术标准》GB51309-2018 3.2.1- 6 标志灯的规格应符合下列规定: 1)室内高度大于4.5m的场所,应选择特大型或大型标志灯;
来源:消防根根
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