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Chinese Classification
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International Standard List: Anhydrides |
Title | Standard No. | Implemented On |
Trimellitic anhydride for industrial use | GB/T 23967-2017 | 2018-4-1 |
Trimellitic anhydride for industrial use | GB/T 23967-2009 | 2010-2-1 |
Maleic anhydride for industrial use | GB/T 3676-2008 | 2008-12-1 |
Acetic anhydride for industrial usec | GB/T 10668-2000 | 2000-1-1 |
Maleic anhydride for industrial use | GB 3676-1992 | 1992-12-1 |
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