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| Chinese National Standard Category: Quantity and Unit |
| English Title: | Mass and Density Terms in Metrology and Their Definitions |
| Chinese Title: | 质量密度计量名词术语及定义 |
| Standard No.: | JJF 1229-2009 |
| Category No.: | A51 |
| Issued by: | AQSIQ |
| Issued on: | 2009-07-10 |
| Implemented on: | 2009-10-10 |
| Status: | superseded |
| Superseded by: | JJF 1229-2021 Mass and Density Metrological Terms and Their Definitions |
| Superseded on: | 2022-6-28 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 22000 words |
| Similar Standards: | GB 5112-1985 JJF 1229-2009 GB/T 3102.8-1993 GB/T 3102.11-1993 GB/T 3102.12-1993 GB 3100~3102-1993 GB 3102.5-1993 GB 3102.8-1993 GB 3102.1-1993 GB 3101-1993 GB 3102.2-1993 GB 3102.7-1993 GB 3102.4-1993 GB 3102.10-1993 GB/T 3102.1-1993 GB 3102.3-1993 GB3100~3102-1993 GB 3102.9-1993 GB 3102.6-1993 GB 3102.11-1993 |
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