Sugestões de Tópicos dentro de sua busca.
Sugestões de Tópicos dentro de sua busca.
- coal mining 2
- Deforestación 1
- Estructuras de fortificación 1
- Minería de carbón 1
- Simulación mecánica 1
- competitiveness 1
- competitividad 1
- deforestation 1
- distrito minero 1
- fortification structures 1
- mechanical simulation 1
- minería de carbón 1
- mining district 1
- mining holder 1
- productividad 1
- productivity 1
- titular minero 1
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1
A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte de Santander
Publicado em 2014Assuntos:Online -
2
Productivity and competitiveness determination of the small-scale mining at the northern mining district in the state of Boyacá
Publicado em 2013Assuntos:Online
