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| International Standard Category: Chemical reagents |
GB/T 654-1999 Chemical reagent-Barium carbonate
化学试剂 碳酸钡 ;
| Category No.: | 71.040.30 | Valid Status: | superseded |
| Issued Organization: | CSBTS | Issued Date: | 1999-09-01 |
| Implemented Date: | 2000-6-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 654-2011 Chemical reagent—Barium carbonate |
Superseded Date: | 2012-6-1 |
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