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| International Standard Category: Cadmium, cobalt and their alloys |
GB/T 4153-1993 Mischmetal
混合稀土金属 ;
| Category No.: | 77.120.70 | Valid Status: | superseded |
| Issued Organization: | CSBTS | Issued Date: | 1993-09-15 |
| Implemented Date: | 1994-3-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 4153-2008 Misch metal |
Superseded Date: | 2008-8-1 |
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