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International Standard Category: Chemical reagents |
Category No.: | 71.040.30 | Valid Status: | superseded |
Issued Organization: | AQSIQ | Issued Date: | 1995-12-20 |
Implemented Date: | 1996-8-1 | Abolished Date: | |
Superseded Standard.: | GB/T 1397-2015 Chemical reagent―Potassium carbonate anhydrous |
Superseded Date: | 2016-2-1 |
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