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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| DL/T 810-2012 |
Technical specification for long rod composite insulators with a nominal voltage of ±500kV DC and above ±500kv及以上电压等级直流棒形悬式复合绝缘子技术条件 |
China Electricity & Power
Standards ±500kV |
 English PDF |
| DL/T 881-2004 |
Technical guide for live woking in ±500kV DC transmission line ±500kV直流输电线路带电作业技术导则 |
China Electricity & Power
Standards ±500kV |
English PDF |
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