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| International Standard Category: Chemical reagents |
GB 1253-1989 Working chemicals; Sodium chloride
工作基准试剂(容量) 氯化钠 ;
| Category No.: | 71.040.30 | Valid Status: | superseded |
| Issued Organization: | China Oil and Chemical Industry Association | Issued Date: | 1989-03-31 |
| Implemented Date: | 1989-1-2 | Abolished Date: | 2008-04-01 |
| Superseded Standard.: | GB 1253-2007 Working chemical—Sodium chloride |
Superseded Date: | 2008-4-1 |
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