
Acoustics - Determination Of Sound Power Levels And Sound Energy Levels Of Noise Sources Using Sound Pressure - Precision Methods For Anechoic Rooms And Hemi-Anechoic Rooms (Iso 3745:2012/Amd 1:2017)
出版:Polish Committee for Standardization

专家解读视频
2012 AMD 1 2017 [14/07/2017]2012 [31/05/2012]2010 [28/01/2010]2007 [22/02/2007]2005 [15/03/2005]
EN ISO 3745:2012 - Identical
ISO 3745 : 2012(R2017) - Identical
EN ISO 3745:2012 - Identical