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| Chinese National Standard Category: Valve |
| English Title: | Valve steel castings - Method for inspection of liquid penetration |
| Chinese Title: | 阀门铸钢件 液体渗透检查方法 |
| Standard No.: | JB/T 6902-1993 |
| Category No.: | J16 |
| Issued by: | |
| Issued on: | 1993-07-13 |
| Implemented on: | |
| Status: | superseded |
| Superseded by: | JB/T 6902-2008 Methods for liquid penetrant examination of valves |
| Superseded on: | 2008-7-1 |
| Abolished on: | 2008-07-01 |
| Superseding: | |
| Word Count: | 4500 words |
| Similar Standards: |
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