| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 663-1999 | English | 519 |
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Days<=4
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Test requirement for 220kV~500kV power system fault and dynamics recorder
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DL/T 663-1999
| Obsolete |
DL/T 663-1999
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