[Examen, desarrollo, preparacion y explotacion de propiedades mineras en pequena escala]
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| Format: | Tesis de licenciatura |
| Published: |
MX
1935
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000125897 http://132.248.9.195/pmig2020/0125897/Index.html |