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Diapositive 1 - PowerPoint PPT Presentation

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Diapositive 1

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E - Propri t s biologiques des tannins (1) Le plus souvent li es la formation des ... Transformer une peau en mat riau imperm able et r sistant la putr faction ... – PowerPoint PPT presentation

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Date added: 11 January 2010
Slides: 13
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