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Chinese Classification
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| Latest Standard |
XB/T 228-2018 Praseodymium-neodymium-gadolinium metal
镨钕钆金属
| Category No.: | XB | Valid Status: | valid |
| Issued Organization: | Ministry of Industry and Information Technology | Issued Date: | 2018-11-08 |
| Implemented Date: | 2019-4-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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