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International Standard Category: Cadmium, cobalt and their alloys |
Category No.: | 77.120.70 | Valid Status: | superseded |
Issued Organization: | CSBTS | Issued Date: | 1993-09-15 |
Implemented Date: | 1994-6-1 | Abolished Date: | |
Superseded Standard.: | GB/T 14635-2008 Rare earth metals and their compounds—Determination of total rare earth contents |
Superseded Date: | 2008-12-1 |
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