DIN EN ISO 11691 (1996-02)被替代
Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SS EN ISO 11691 Ed. 1 (1995) - Identical
ISO 11691:1995 - Identical
UNE EN ISO 11691:1996 - Identical
NS EN ISO 11691 Ed. 1 (1995) - Identical
UNI EN ISO 11691:1997 - Identical
NF EN ISO 11691:1996 - Identical
I.S. EN ISO 11691:1996 - Identical
NBN EN ISO 11691:1996 - Identical
ONORM EN ISO 11691:1996 - Identical
BS EN ISO 11691:1997 - Identical
NEN EN ISO 11691:1995 - Identical
SN EN ISO 11691:1996 - Identical
