| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 20840.2-2014 | English | 1639 |
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Days<=9
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[GB/T 20840.2-2014] Instrument transformers -- Part 2: Additional requirements for current transformers
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GB 20840.2-2014
| Valid |
GB 20840.2-2014
|