MAELGWYN MINERAL SERVICES AFRICA (PROPRIERARY) LTD
MAELGWYN MINERAL SERVICES AFRICA (PROPRIERARY) LTD Patent applications | ||
Patent application number | Title | Published |
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20090293679 | EXTRACTION PROCESS FOR METALS LIKE GOLD AND PLATINUM INCLUDING FINE GRINDING, PULPING AND OXYGENATING - This invention relates to a process for obtaining metal values, typically base metals, platinum or gold from a feed material. In a first step of the process of the invention, feed material containing metal values is ground to a particle size d | 12-03-2009 |