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EdwinPorroaSivana's
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EdwinPorroaSivana's
EdwinPorroaSivana's
Electrodeposición Del Zinc (Edwin Porroa Sivava)
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Lixiviacion de Calcina de Zinc (Edwin Porroa Sivana )
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Informe de Practicas Planta de Beneficios Minera Sotrami s.A
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EJERCICIOS DE METALURGICOS
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