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| International Standard Category: Oxides |
GB/T 3135-1982 Technical requirements of commercial purity beryllium oxide powder
工业纯氧化铍粉末技术条件 ;
| Category No.: | 71.060.20 | Valid Status: | superseded |
| Issued Organization: | National Bureau of Standards | Issued Date: | 1982-05-28 |
| Implemented Date: | 1983-3-1 | Abolished Date: | |
| Superseded Standard.: | YS/T 572-2006 Technical requirements of commercial purity beryllium oxide powder |
Superseded Date: | 2007-10-1 |
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