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| Compañía minera San Ignacio de Morococha S.A.A. (1) |
| Control de la voladura (1) |
| https://purl.org/pe-repo/ocde/ford#2.07.01 (1) |
| Nivel 1570 (1) |
| Optimizar la fragmentación (1) |
| Rampa (-) 240 (1) |
| UM San Vicente (1) |
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