DIN EN ISO 11957 (1997-02)被替代
Determination of sound insulation performance of cabins - Laboratory and in situ measurements (ISO 11957:1996)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SS EN ISO 11957 Ed. 1 (1997) - Identical
NS EN ISO 11957 Ed. 1 (1997) - Identical
I.S. EN ISO 11957:1997 - Identical
NBN EN ISO 11957:1997 - Identical
UNI EN ISO 11957:1998 - Identical
ONORM EN ISO 11957:1997 - Identical
NF EN ISO 11957:1997 - Identical
NEN EN ISO 11957:1997 - Identical
SN EN ISO 11957:1997 - Identical
UNE EN ISO 11957:1997 - Identical
ISO 11957:1996 - Identical
BS EN ISO 11957:1997 - Identical
