UNE EN ISO 3746:2011现行
Acoustics - Determination Of Sound Power Levels And Sound Energy Levels Of Noise Sources Using Sound Pressure - Survey Method Using An Enveloping Measurement Surface Over A Reflecting Plane (Iso 3746:2010)
出版：Asociacion Espanola de Normalizacion
专家解读视频
2011 [28/09/2011]2010 [17/02/2010]1996 [23/05/1996]
NF EN ISO 3746:2009 - Identical
I.S. EN ISO 3746:2010 - Identical
BS EN ISO 3746:2010 - Identical
NEN EN ISO 3746:2010 - Identical
SS EN ISO 3746 Ed. 3 (2010) - Identical
UNI EN ISO 3746:2011 - Identical
ONORM EN ISO 3746:2011 - Identical
NBN EN ISO 3746:2011 - Identical
NS EN ISO 3746:2010 - Identical
SN EN ISO 3746:2011 - Identical
NF EN ISO 3746:2012 - Identical
