
Acoustics - Determination Of Sound Power Levels Of Noise Sources - Precision Methods For Discrete Frequency And Narrow-band Sources In Reverberation Rooms
出版:Asociacion Espanola de Normalizacion

专家解读视频
93 [07/06/1993]
ISO 3742 : 1988 - Similar to
EN 23742 : 1991 - Similar to
ISO 3742 : 1988 - Similar to
ISO 3742:1988 - Similar