I.S. EN ISO 11957:1997被替代
Acoustics - Determination Of Sound Insulation Performances Of Cabins - Laboratory And In Situ Measurements
出版：National Standards Authority of Ireland
专家解读视频
Provides a laboratory method and in situ methods for the determination of the sound insulation performance of sound-protecting cabins.
NF EN ISO 11957:1997 - 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
UNI EN ISO 11957:1998 - Identical
NS EN ISO 11957 Ed. 1 (1997) - Identical
SS EN ISO 11957 Ed. 1 (1997) - Identical
UNE EN ISO 11957:1997 - Identical
ISO 11957:1996 - Identical
