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| International Standard Category: Oxides |
GB/T 2969-1994 Samarium oxide
氧化钐 ;
| Category No.: | 71.060.20 | Valid Status: | superseded |
| Issued Organization: | STSB | Issued Date: | 1994-05-09 |
| Implemented Date: | 1994-1-2 | Abolished Date: | 2008-09-01 |
| Superseded Standard.: | GB/T 2969-2008 Samarium oxide |
Superseded Date: | 2008-9-1 |
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