| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL 548-1994 | English | 439 |
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Days<=4
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Rules of operational management of lightning protection at signal stations of electrical power system
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DL 548-1994
| Obsolete |
DL 548-1994
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