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| Chinese National Standard Category: Fuel oil heating system |
| English Title: | Metallographic examination of diesel injector nozzle plunger and delivery valve of diesel fuel injection pump |
| Chinese Title: | 柴油机喷油嘴偶件、喷油泵柱塞偶件、喷油泵出油阀偶件 金相检验 |
| Standard No.: | JB/T 9730-1999 |
| Category No.: | J94 |
| Issued by: | Technical Committee on Standardization for Oil Pump and Nozzle |
| Issued on: | 1999-09-17 |
| Implemented on: | 2000-1-1 |
| Status: | superseded |
| Superseded by: | JB/T 9730-2011 Diesel Injection Nozzle, Plunger and Delivery Valve of Fuel Injection Pump - Metallographic Examination |
| Superseded on: | 2012-4-1 |
| Abolished on: | |
| Superseding: | ZB J94007-1988 |
| Word Count: | 9500 words |
| Similar Standards: | GB 3542-1983 GB/T 25368-2023 GB/T 25366-2022 GB/T 5770-2020 GB/T 6809.11-2018 JB/T 6731.2-2014 JB/T 6731.1-2014 JB/T 9729-2011 JB/T 6015-2011 JB/T 6013-2011 JB/T 8120.1-2011 JB/T 6014-2011 JB/T 8120.2-2011 JB/T 8121-2011 JB/T 5239.4-2011 JB/T 9734-2011 GB/T 25368-2010 GB/T 25365.1-2010 GB/T 5772-2010 GB/T 5264-2010 |
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