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| Recuperación de oro del mineral arsenopirita por cianuración en pilas de minas artesanales de Colcabamba – 2017 | 136 |
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| Recuperación de oro del mineral arsenopirita por cianuración en pilas de minas artesanales de Colcabamba – 2017 | 0 | 0 | 0 | 70 | 31 | 25 | 10 |
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| T033_42806622_M.pdf | 69 |
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