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Professional Standard Category: Professional Standard - Rare Earth |
Category No.: | XB | Valid Status: | superseded |
Issued Organization: | NDRC | Issued Date: | 2006-05-12 |
Implemented Date: | 2007-1-1 | Abolished Date: | |
Superseded Standard.: | XB/T 214-2015 Neodymiun fluoride |
Superseded Date: | 2015-10-1 |
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