
Acoustics - Determination Of Sound Power Levels Of Noise Sources - Engineering Methods For Small, Movable Sources In Reverberant Fields - Part 1: Comparison Method For Hard-walled Test Rooms
出版:Norwegian Standards (Norges Standardiseringsforbund)

专家解读视频
2009 [01/10/2009]1995 [03/10/1995]
ONORM EN ISO 3743-1:2009 - Identical
SS EN ISO 3743-1 Ed. 2 (2009) - Identical
UNE EN ISO 3743-1:2010 - Identical
SN EN ISO 3743-1:2010 - Identical
UNI EN ISO 3743-1:2009 - Identical
NF EN ISO 3743-1:2009 - Identical
NBN EN ISO 3743-1:2009 - Identical
SN EN ISO 3743-1:1995 - Identical
NEN EN ISO 3743-1:2009 - Identical
UNE EN ISO 3743-1:1996 - Identical
NEN EN ISO 3743-1:2010 - Identical
SS EN ISO 3743-1 Ed. 3 (2010) - Identical
ONORM EN ISO 3743-1:2010 - Identical
NBN EN ISO 3743-1:2010 - Identical