Home / Standards / GB/T 16404.2-1999 GB/T 16404.2-1999 Active Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2:Measurement by scanning 声学 声强法测定噪声源的声功率级 第2部分:扫描测量 Standard Type GBT ICS 17.140.01 CCS A59 Status 现行 Issue Date 1999-03-08 Implementation 1999-09-01 Responsible Dept 中国科学院 Drafting Unit N/A