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| phthalic anhydride (C₆H₄(CO)₂O) | |||
| phthalic anhydride; PA | |||
| phtalic anhydride | |||
| 邻苯二甲酸酐: 23 phrases in 5 subjects |
| Chemistry | 6 |
| Oil / petroleum | 1 |
| Plastics | 7 |
| Polymers | 5 |
| Technology | 4 |
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