Graduation and test method of daylighting properties for external windows
全国建筑幕墙门窗标准化技术委员会(SAC/TC 448)
本标准规定了建筑外窗采光性能分级及检测方法的术语和定义、性能分级和检测。
本标准适用于建筑外窗及采光板、采光罩和导光管采光系统的透光折减系数和颜色透射指数的分级及检测。
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