Washability characteristics of some Philippine coals
| Autor principal: | |
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| Otros Autores: | |
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
Manila
[Bureau of Mines]
1967.
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| Colección: | Philippines (Republic) Bureau of Mines Report of investigations
no.64 |
| Materias: |