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| Chinese National Standard Category: Air intake/exhaust system |
| English Title: | Internal combustion engine--Technical requirements for intake and exhaust valves |
| Chinese Title: | 内燃机进、排气门技术条件 |
| Standard No.: | GB 2784-1981 |
| Category No.: | J93 |
| Issued by: | NSB |
| Issued on: | |
| Implemented on: | |
| Status: | superseded |
| Superseded by: | JB/T 6012-1992 |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 3000 words |
| Similar Standards: | GB/T 1859.4-2025 ZB J 93001-1987 GB/T 6809.2-1988 GB/T 23337-2023 GB/T 41161-2022 GB 4759-1984 JB/T 6728.1-2008 GB 2784-1981 GB/T 4759-2009 JB/T 10737-2007 JB/T 11880.2-2014 GB/T 23337-2009 JB/T 6004-2007 JB/T 12083-2014 JB/T 11880.7-2014 JB/T 11788.1-2014 JB/T 9769.1-2010 JB/ 5141-1991 JB/T 9755-1999 JB/T 6012.4-2008 |
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