| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL 408-1991 | English | 1839 |
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Days<=7
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Rules of safe operation in power industry (power plants and electrical parts of transformer substations)
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DL 408-1991
| Obsolete |
DL 408-1991
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