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| Chinese National Standard Category: Basic refractory |
| English Title: | Magnesia |
| Chinese Title: | 镁砂 |
| Standard No.: | GB 2273-1988 |
| Category No.: | Q43 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 1989-10-1 |
| Status: | superseded |
| Superseded by: | GB/T 2273-1998 Sintered magnesia |
| Superseded on: | 1998-12-7 |
| Abolished on: | 1998-12-07 |
| Superseding: | |
| Word Count: | 2000 words |
| Similar Standards: | GB/T 2275-2017 GB/T 26564-2011 JC/T 2036-2010 GB/T 22589-2008 GB/T 2273-2007 GB/T 2275-2007 GB/T 8931-2007 GB/T 5069-2007 GB/T 5070-2007 YB/T 132-2007 YB/T 5270-1999 JC/T 924-2003 GB/T 5070.5-2002 GB/T 5070.6-2002 GB/T 5070.10-2002 YB/T 4116-2003 GB/T 5070.8-2002 GB/T 5070.3-2002 GB/T 5070.2-2002 GB/T 5070.4-2002 |
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