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| International Standard Category: Chemical reagents |
GB 10731-1989 Primary chemical－Potassium dichromate
第一基准试剂(容量) 重铬酸钾 ;
| Category No.: | 71.040.30 | Valid Status: | abolished |
| Issued Organization: | Ministry of Chemical Industry | Issued Date: | 1989-03-31 |
| Implemented Date: | 1989-1-2 | Abolished Date: | 2009-06-01 |
| Superseded Standard.: | GB 10731-2008 Primary chemical - Potassium dichromate |
Superseded Date: | 2009-6-1 |
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