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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39383-2020 |
Thermoplastics piping systems for underground non-pressure applications—Test method for leaktightness of elastomeric sealing ring type joints 埋地用无压热塑性塑料管道系统 弹性密封圈接头的密封性能试验方法 |
China National Standards applications—Test |
 English PDF |
| GB/T 39379-2020 |
Thermoplastics piping systems for non-pressure applications—Test method for watertightness 无压热塑性塑料管道系统 水密性试验方法 |
China National Standards applications—Test |
English PDF |
| GB/T 32358-2015 |
Railway applications—Test methods of rolling stock on test rigs 轨道交通 机车车辆台架试验方法 |
China National Standards applications—Test |
English PDF |
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