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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| DL/T 1412-2015 |
Technical specification for premium power park power supply 优质电力园区供电技术规范 |
China Electricity & Power
Standards premium |
 English PDF |
| SY/T 6949-2013 |
Casing and tubing with premium connection 特殊螺纹连接套管和油管 |
China Oil & Gas Industry
Standards premium |
English PDF |
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