UNI EN ISO 7235:2009现行
Acoustics - Laboratory Measurement Procedures For Ducted Silencers And Air- Terminal Units - Insertion Loss, Flow Noise And Total Pressure Loss
出版：Italian Standards
专家解读视频
Applies to all types of silencer including silencers for ventilating and air-conditioning systems, air intake and exhaust of flue gases, and similar applications.
NBN EN ISO 7235:2009 - Identical
NBN EN ISO 7235:2003 - 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
NEN EN ISO 7235:2009 - Identical
SN EN ISO 7235:2003 - Identical
ONORM EN ISO 7235:2003 - Identical
SN EN ISO 7235:2010 - Identical
UNE EN ISO 7235:2010 - Identical
SS EN ISO 7235 Ed. 3 (2009) - Identical
ONORM EN ISO 7235:2010 - Identical
NS EN ISO 7235:2009 - Identical
NF EN ISO 7235:2009 - Identical
