I.S. EN 23742:1992废止
Acoustics - Determination Of Sound Power Levels Of Noise Sources - Precision Method For Discrete-frequency And Narrow-band Sources In Reverberation Rooms
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. EN 23742:1992
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：20
标准简介
Specifies in detail two laboratory methods for determining the sound power of small sources using a reverberation test room.
等同采用的国际标准
ISO 3742:1988 - Identical
