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| Chinese National Standard Category: Petroleum drilling & production equipment and instrument |
| English Title: | Rules for the inspection of welding drill pipes for import and export |
| Chinese Title: | 进出口石油对焊钻杆检验规程 |
| Standard No.: | SN/T 0821-1999 |
| Category No.: | E92 |
| Issued by: | |
| Issued on: | 1999-12-01 |
| Implemented on: | |
| Status: | superseded |
| Superseded by: | SN/T 0821-2011 Rules for the Inspection of Drill Pipe for Import and Export |
| Superseded on: | 2012-4-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 4500 words |
| Similar Standards: | SN/T 0822-1999 SY/T 5056-1993 GB/T 17390-1998 GB/T 9253.8-1995 SN/T 0821-1999 GB/T 11650-1989 GB/T 43599-2023 GB/T 29021-2023 GB/T 29549.1-2023 GB/T 43303-2023 GB/T 43505-2023 GB/T 19831.3-2023 GB/T 20656-2023 GB/T 19830-2023 GB/T 43231-2023 GB/T 22513-2023 GB/T 42858-2023 GB/T 41066.2-2022 GB/T 22342-2022 GB/T 41066.3-2022 |
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