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International Standard Category: Chemical reagents |
Category No.: | 71.040.30 | Valid Status: | superseded |
Issued Organization: | China Oil and Chemical Industry Association | Issued Date: | 1993-03-01 |
Implemented Date: | 1993-1-2 | Abolished Date: | 2008-11-01 |
Superseded Standard.: | GB/T 1294-2008 Chemical reagent - L(+)-Tartaric acid |
Superseded Date: | 2008-11-1 |
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