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DL/T 821-2017 Active
DL/T 821-2017 DL/T 821-2017 Radiographic testing techniques and quality grading for butt joint welds by metal fusion welding
General Product Information
| Document Type | Industry standards-Electricity |
|---|---|
| Standard Status | Active |
| Standard Code | DL/T 821-2017 |
| CCS | X-ray, magnetic particle, fluorescence, and other nondestructive testing instruments |
| ICS | Non-destructive testing |
| Implement Date | 2018-03-01 |
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