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| International Standard Category: Abrasives |
JB/T 7998-1999 Zirconium alundum Method for chemical analysis
锆刚玉 化学分析方法 ;
| Category No.: | 25.100.70 | Valid Status: | superseded |
| Issued Organization: | National Technical Committee on Standardization of Grinding Materials and Grinding Tool | Issued Date: | 1999-05-20 |
| Implemented Date: | 2000-1-1 | Abolished Date: | |
| Superseded Standard.: | JB/T 7998-2012 Chemical Analysis Methods for Fused Zirconia Alumina |
Superseded Date: | 2012-11-1 |
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