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| International Standard Category: Anhydrides |
GB/T 23967-2009 Trimellitic anhydride for industrial use
工业用偏苯三酸酐;
| Category No.: | 71.080.50 | Valid Status: | superseded |
| Issued Organization: | CPCIA | Issued Date: | 2009-6-2 |
| Implemented Date: | 2010-2-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 23967-2017 Trimellitic anhydride for industrial use |
Superseded Date: | 2018-4-1 |
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