BS EN ISO 11957:2009现行
Acoustics. Determination of sound insulation performance of cabins. Laboratory and in situ measurements
出版：British Standards Institution
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.
© British Standards Institution 2013
SN EN ISO 11957:2010 - Identical
UNE EN ISO 11957:2010 - Identical
SS EN ISO 11957 Ed. 2 (2009) - Identical
ONORM EN ISO 11957:2010 - Identical
NS EN ISO 11957:2009 - Identical
NBN EN ISO 11957:2009 - Identical
NF EN ISO 11957:2009 - Identical
DIN EN ISO 11957 (2010-01) - Identical
UNI EN ISO 11957:2009 - Identical
NEN EN ISO 11957:2009 - Identical
I.S. EN ISO 11957:2009 - Identical
ISO 11957:1996 - Identical
