
Acoustics - Determination of sound insulation performance of cabins - Laboratory and in situ measurements
出版:International Organization for Standardization

专家解读视频
BS EN ISO 11957:2009 - Identical
GB/T 19885-2005 - Identical
DIN EN ISO 11957 (1997-02) - Identical
SN EN ISO 11957:1997 - Identical
NEN EN ISO 11957:1997 - Identical
BS EN ISO 11957:1997 - Identical
ONORM EN ISO 11957:1997 - Identical
NBN EN ISO 11957:1997 - Identical
I.S. EN ISO 11957:1997 - Identical
NF EN ISO 11957:1997 - Identical
UNI EN ISO 11957:1998 - Identical
NS EN ISO 11957 Ed. 1 (1997) - Identical
PN EN ISO 11957:2000 - Identical
SS EN ISO 11957 Ed. 1 (1997) - Identical
UNE EN ISO 11957:1997 - Identical