Home / Standards / GB/T 10491-2010 GB/T 10491-2010 Active Noise criteria and sound measurement procedures for aero-derivative gas turbines turnkey installations 航空派生型燃气轮机成套设备噪声值及测量方法 Standard Type GBT ICS 27.040 CCS K56 Status 现行 Issue Date 2010-11-10 Implementation 2011-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会