Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 19888.1-2005 |
Acoustics-Stationary audible warning devices used outdoors-Part 1:Field measurements for determination of sound emission quantities 声学 户外用固定式听觉报警器 第1部分:声发射量的现场测定 |
China National Standards 1:Field |
English PDF |
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