中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 6881.3-2002
Acoustics--Determination of sound power levels of noise sources-using sound pressure--Engineering methods for small,movable sources in reverberant fields--Part 2:Methods for special reverberation test rooms 声学 声压法测定噪声源声功率级 混响场中小型可移动声源工程法 第2部分:专用混响测试室法
Issued Date:2002-03-26
Implemented Date:2002-12-01
Issued by:
The Standardization Administration of the People's Republic of China