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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| DZ/T 0053-2021 |
Technical specification for hydraulic percussion rotary drilling {译} 液动冲击回转钻进技术规程 |
China Geology & Mineralogy Industry
Standards percussion |
 English PDF |
| YY/T 1665—2019 |
Vibration percussion expectoration machine {译} 振动叩击排痰机 |
China Pharmaceutics Industry
Standards percussion |
English PDF |
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