Home / Standards / GB/T 3767-1996 GB/T 3767-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering method for an essentially free field over a reflecting plane 声学 声压法测定噪声源声功率级 反射面上方近似自由场的工程法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A