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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 38658-2020 |
Guidance for the extension of validity of type tests of AC metal enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV 3.6 kV～40.5 kV交流金属封闭开关设备和控制设备型式试验有效性的延伸导则 |
China National Standards Guidance the extension |
 English PDF |
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