Home / Standards / GB/T 22156-2008 GB/T 22156-2008 Active Acoustics - Procedure for the comparison of noise-emission data for machinery and equipment 声学 机器与设备噪声发射数据的比较方法 Standard Type GBT ICS 17.140.20 CCS Z32 Status 现行 Issue Date 2008-07-02 Implementation 2009-02-01 Responsible Dept 中国科学院 Drafting Unit N/A