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| International Standard Category: Other standards related to analytical chemistry |
GB/T 7143-2010 Methods for chemical analysis of silica sand for foundry
铸造用硅砂化学分析方法;
| Category No.: | 71.040.99 | Valid Status: | valid |
| Issued Organization: | AQSIQ | Issued Date: | 2010-9-26 |
| Implemented Date: | 2011-2-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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