NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3767-1996
Acoustics--Determination of sound power levels of noise sources using sound pressure--Engineering method in 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
Issued Date:1996-05-27
Implemented Date:1996-12-01
Issued by:
The Standardization Administration of the People's Republic of China