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【国外标准】 Acoustics - Method for laboratory measurement of airborne sound attenuation of ceilings (two-room method)
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2021-03-22
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标准简介适用范围：
暂无
标准号：
AS 2499-1981
标准名称：
Acoustics - Method for laboratory measurement of airborne sound attenuation of ceilings (two-room method)
英文名称：
Acoustics - Method for laboratory measurement of airborne sound attenuation of ceilings (two-room method)标准状态：
现行-
发布日期：
-
实施日期：
出版语种：
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