NF EN ISO 11957:1997被替代
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: S31-630PR. PR NF EN ISO 11957 June 2009. (06/2009)
ISO 11957:1996 - Identical
UNI EN ISO 11957:2009 - Identical
NEN EN ISO 11957:2009 - Identical
SN EN ISO 11957:1997 - Identical
NEN EN ISO 11957:1997 - Identical
BS EN ISO 11957:1997 - Identical
DIN EN ISO 11957 (1997-02) - Identical
ONORM EN ISO 11957:1997 - Identical
NBN EN ISO 11957:1997 - Identical
I.S. EN ISO 11957:1997 - Identical
NS EN ISO 11957 Ed. 1 (1997) - Identical
SS EN ISO 11957 Ed. 1 (1997) - Identical
UNE EN ISO 11957:1997 - Identical
UNI EN ISO 11957:1998 - Identical
