DIN EN ISO 7235 (2004-02)被替代
Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
ISO 7235:2003 - Identical
I.S. EN ISO 7235:2003 - Identical
NBN EN ISO 7235:2003 - Identical
BS EN ISO 7235:2003 - Identical
UNI EN ISO 7235:2005 - Identical
SN EN ISO 7235:2003 - Identical
NEN EN ISO 7235:2003 - Identical
ONORM EN ISO 7235:2003 - Identical
UNI EN ISO 7235:1997 - Identical
NF EN ISO 7235:2004 - Identical
NS EN ISO 7235 Ed. 2 (2003) - Identical
UNE EN ISO 7235:2004 - Identical
SS EN ISO 7235 Ed. 2 (2004) - Identical
