I.S. EN 23742:1992廢止
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
專家解讀視頻
基本信息
標準編號： I.S. EN 23742:1992
標準類別：Standard
出版單位：National Standards Authority of Ireland
標準頁數：20
標準簡介
Specifies in detail two laboratory methods for determining the sound power of small sources using a reverberation test room.
等同采用的國際標準
ISO 3742:1988 - Identical
