NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3768-1996
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane 声学 声压法测定噪声源声功率级 反射面上方采用包络测量表面的简易法
Issued Date:1996-05-27
Implemented Date:1996-12-01
Issued by:
The Standardization Administration of the People's Republic of China
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