Acoustics. Laboratory measurement procedures for ducted silencers and air-terminal units. Insertion loss, flow noise and total pressure loss
声学管道消声器和风道末端装置的实验室测量程序 插入损失、流动噪声和总压损失
Cross References:ISO 3741:1999ISO 3746ISO 5167-1ISO 5221ISO 9614-3IEC 60651:2001IEC 60804:2000IEC 60942:1997IEC 61260ISO 3966ISO 5135ISO 5136ISO 5725-1ISO 5725-2ISO 5725-3ISO 5725-4ISO 5725-5ISO 5725-6ISO 11200:1995ISO 11820:1996ISO 14163:1998EN 12238EN 12239EN 12589BS 4718ASTM E477-7398/37/EC98/79/EC2006/42/ECAll current amendments available at time of purchase are included with the purchase of this document.