| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 2252-2021 | English | 399 |
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Days<=4
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Technical specifications for image inspection and test of relay and related secondary equipment in smart substation
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DL/T 2252-2021
| Valid |
DL/T 2252-2021
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