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| International Standard Category: Abrasives |
GB/T 14321-1993 Testing method for quantities of α-Al@2O@3 phase in alumina with an X-ray diffractometer
刚玉磨料中α-AL2O3相X射线定量测定方法 ;
| Category No.: | 25.100.70 | Valid Status: | superseded |
| Issued Organization: | CSBTS | Issued Date: | 1993-04-17 |
| Implemented Date: | 1993-1-2 | Abolished Date: | 2009-01-01 |
| Superseded Standard.: | GB/T 14321-2008 Testing method for quantities of α-Al2O3 phase in alumina with an X-ray diffractometer |
Superseded Date: | 2009-1-1 |
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