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| Chinese National Standard Category: Chemical Measurement |
| English Title: | Film Electrode Dissolved Oxygen Meter |
| Chinese Title: | 履膜电极溶解氧测定仪检定规程 |
| Standard No.: | JJG 291-1999 |
| Category No.: | A61 |
| Issued by: | |
| Issued on: | 1999-10-18 |
| Implemented on: | 2000-3-15 |
| Status: | superseded |
| Superseded by: | JJG 291-2008 Dissolved Oxygen Meter with Covered-Membrane-Electrode |
| Superseded on: | 2009-6-23 |
| Abolished on: | |
| Superseding: | JJG 291-1982 |
| Word Count: | 5500 words |
| Similar Standards: | JJF (纺织) A 07-1985 JJF (纺织) A 05-1985 JJG (化工) 106-1991 JJF (纺织) B 07-1985 JJG 845-2009 JJG 291-2008 JJG 915-2008 JJG 701-2008 JJG 919-2008 JJG 1044-2008 JJF 1213-2008 JJG 365-2008 JJF 1190-2008 JJG 861-2007 JJG 178-2007 JJG 376-2007 JJF 1012-2007 JJG 680-2007 JJG 678-2007 JJG 688-2007 |
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