Home / Standards / GB/Z 27764-2011 GB/Z 27764-2011 Active Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method 声学 阻抗管中传声损失的测量 传递矩阵法 Standard Type GBZ ICS 17.140.01 CCS A59 Status 现行 Issue Date 2011-12-30 Implementation N/A Responsible Dept 中国科学院 Drafting Unit N/A