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| charbon activé; charbon absorbant; charbon adsorbant; charbon décolorant | |||
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| noir décolorant; charbon actif; charbon activé; charbon de bois activé | |||
| A . Kohle: 7 phrases in 3 subjects |
| Chemistry | 2 |
| Coal | 4 |
| General | 1 |
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