Coltan (1)
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COLTAN. OSCAR IVAN RODRIGUEZ REYES 10 – 04 JM
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Transcript of Coltan (1)
COLTAN.
OSCAR IVAN RODRIGUEZ REYES 10 – 04 JM
Q ue es el COLTAN?
ORO GRIS
Problemas del COLTAN?
Para que sirve el Coltan?
COLTAN en el mundo?
El COLTAN en Colombia?