| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJG 1189.4-2022 | English | 509 |
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Days<=5
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Instrument Transformers - Part 4: Voltage Transformers in Power System
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JJG 1189.4-2022
| Valid |
JJG 1189.4-2022
|