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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33549-2017 |
Small-size light piping water irrigation machines—Specification for performance evaluation 轻小型管道输水灌溉机组 性能评价规范 |
China National Standards machines—Specification |
 English PDF |
| GB/T 31397-2015 |
Heavy duty deephole drilling and boring machines—Specifications 重型深孔钻镗床 技术条件 |
China National Standards machines—Specification |
English PDF |
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