Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 3222.1-2006 |
Acoustics―Description, measurement and assessment of environmental noise―Part 1:Basic quantities and assessment procedures 声学 环境噪声的描述、测量与评价 第1部分:基本参量与评价方法 |
China National Standards Acoustics―Description, |
![]() English PDF |
Find out:1Items | To Page of: First -Previous-Next -Last | 1 |