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建筑材料氡射气系数的测量方法 Method for measuring radon emanation coefficient of building materials
发布日期: 2020-04-03
实施日期: 2020-10-01
本标准规定了采用循环流气方式进行建筑材料氡射气系数测量的方法。 本标准适用于建筑材料中的氡射气系数测量
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现行
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