NS EN ISO 3747:2010现行
Acoustics - Determination Of Sound Power Levels And Sound Energy Levels Of Noise Sources Using Sound Pressure - Engineering/Survey Methods For Use In Situ In A Reverberant Environment
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
2010 [01/03/2011]2009 [01/11/2009]2000 [02/11/2000]
UNE EN ISO 3747:2010 - Identical
SN EN ISO 3747:2010 - Identical
I.S. EN ISO 3747:2011 - Identical
BS EN ISO 3747:2010 - Identical
NEN EN ISO 3747:2010 - Identical
SS EN ISO 3747 Ed. 3 (2010) - Identical
UNI EN ISO 3747:2011 - Identical
NBN EN ISO 3747:2011 - Identical
ONORM EN ISO 3747:2011 - Identical
DIN EN ISO 3747 (2011-03) - Identical
SN EN ISO 3747:2011 - Identical
NF EN ISO 3747:2011 - Identical
