NF EN ISO 11957:2009现行
Acoustics - Determination Of Sound Insulation Performance Of Cabins - Laboratory And In Situ Measurements
出版：Association Francaise de Normalisation
专家解读视频
Defines a laboratory method and in situ method for determination of the sound insulation performance of sound-protecting cabins. Applies to a complete cabin and not to individual components.
Indice de classement: S31-630. PR NF EN ISO 11957 June 2009. (06/2009) 1997 version is still active. (11/2009)
SN EN ISO 11957:1997 - Identical
I.S. EN ISO 11957:2009 - Identical
NEN EN ISO 11957:2009 - Identical
NBN EN ISO 11957:2009 - Identical
NS EN ISO 11957:2009 - Identical
ONORM EN ISO 11957:2010 - Identical
SS EN ISO 11957 Ed. 2 (2009) - Identical
UNI EN ISO 11957:2009 - Identical
UNE EN ISO 11957:2010 - Identical
SN EN ISO 11957:2010 - Identical
DIN EN ISO 11957 (2010-01) - Identical
BS EN ISO 11957:2009 - Identical
UNE EN ISO 11957:1997 - Identical
