| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/Z 981-2005 | English | 939 |
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Days<=4
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Power system conmtrol and associated communication Data and communication security
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DL/Z 981-2005
| Valid |
DL/Z 981-2005
|