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| International Standard Category: Oxides |
GB/T 4154-1993 Lanthanum oxide
氧化镧 ;
| Category No.: | 71.060.20 | Valid Status: | superseded |
| Issued Organization: | CSBTS | Issued Date: | 1993-09-15 |
| Implemented Date: | 1994-3-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 4154-2006 Lanthanum oxide |
Superseded Date: | 2006-10-1 |
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