| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 20840.9-2017 | English | 1239 |
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Days<=8
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Instrument transformers -- Part 9: Digital interface for instruments transformers
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GB/T 20840.9-2017
| Valid |
GB/T 20840.9-2017
|