julio Cesar

Guatemala

Joined: 12/04/2009

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julio Cesar's PowerPoint Presentations

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julio57db uploaded a new presentation "historia de los polimeros"

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historia de los polimeros

Es una presentacion donde se encuentra una breve historia de los polimeros, asi como una clasificacion de los diferentes polimeros que ..

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julio57db uploaded a new presentation "Historia Polimeros, Aplicaciones"

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