| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 440-2024 | English | 379 |
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Days<=4
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(Inspection and evaluation procedures for steam drums of in-service power station boilers)
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DL/T 440-2024
| Valid |
DL/T 440-2024
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