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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 24517-2009 |
Corrosion of metals and alloys - outdoors exposure test methods for periodic water spray 金属和合金的腐蚀 户外周期喷淋暴露试验方法 |
China National Standards outdoors |
 English PDF |
| 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 outdoors |
English PDF |
| GB/T 17247.1-2000 |
Acoustics--Attenuation of sound during propagation outdoors--Part 1:Calculation of the absorption of sound by the atmosphere 声学 户外声传播衰减 第1部分:大气声吸收的计算 |
China National Standards outdoors |
English PDF |
| GB/T 17247.2-1998 |
Acoustics--Attenuation ofsound during propagation outdoors--Part 2:General method of calculation 声学 户外声传播的衰减 第2部分:一般计算方法 |
China National Standards outdoors |
English PDF |
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