
Acoustics - Determination of Sound Insulation Performance of Cabins - Laboratory and in Situ Measurements
出版:National Standards Authority of Ireland

专家解读视频
Defines a laboratory method and in situ methods for the determination of the sound insulation performance of sound-protecting cabins.
SS EN ISO 11957 Ed. 2 (2009) - Identical
UNE EN ISO 11957:2010 - Identical
NEN EN ISO 11957:2009 - Identical
UNI EN ISO 11957:2009 - Identical
BS EN ISO 11957:2009 - Identical
NBN EN ISO 11957:2009 - Identical
NF EN ISO 11957:2009 - Identical
SN EN ISO 11957:2010 - Identical