| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL 489-1992 | English | 639 |
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Test Regulation for Static Rectified Excitation Systems and Devices for Large and Medium Hydraulic Generators
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DL 489-1992
| Obsolete |
DL 489-1992
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