Home / Standards / GB/T 25516-2010 GB/T 25516-2010 Active Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units loss, fiow noise and total pressure loss 声学 管道消声器和风道末端单元的实验室测量方法 插入损失、气流噪声和全压损失 Standard Type GBT ICS 13.140 CCS Z32 Status 现行 Issue Date 2010-12-01 Implementation 2011-05-01 Responsible Dept 中国科学院 Drafting Unit 中国科学院