AS 2499-1981被替代
Acoustics - Method for laboratory measurement of airborne sound attenuation of ceilings (two-room method)
出版：Standards Australia
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基本信息
标准编号： AS 2499-1981
标准类别：Standard
出版单位：Standards Australia
标准页数：12
标准简介
Describes the method for the measurement of the airborne sound attenuation by ceilings between two rooms with plenum space above. This method provides a means of evaluation of the sound isolating performance of a ceiling system under laboratory conditions.
本标准替代的旧标准
替代本标准的新标准
