| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 439-2018 | English | 419 |
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Days<=4
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The technical guide for high-temperature bolt of fossil-fired power plant
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DL/T 439-2018
| Valid |
DL/T 439-2018
|