| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL/T 820.2-2019 | English | 829 |
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Days<=6
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Code of ultrasonic testing technique for butt welds of pipes. Part 2: A-scan pulse echo
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DL/T 820.2-2019
| Valid |
DL/T 820.2-2019
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