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DE823939C
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Process for the electrolytic production of iron from iron sulfate solutions
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GB667528A
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A method for the electrolytic production of iron from iron sulphate solutions
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DE815108C
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Process for the complete processing of copper-containing pyrite
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GB650202A
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A process for the treatment of copper-containing iron pyrites
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GB603366A
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A process of extracting iron from iron silicates or iron ores containing silica
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US1841874A
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Method of loading boreholes with explosives and means for working said method
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US1783046A
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Process for the separation of cobalt and iron from solutions rich in iron as obtained by lixiviating roasted pyrites
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GB329543A
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Process for the separation of iron from solutions containing cobalt and rich in iron, such as those obtained by lixiviating roasted pyrites
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GB252388A
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Process relating to the treatment of zinc-chloride-bearing solutions
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GB248724A
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Process of depositing copper from solutions
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DE446665C
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Processing of alloys containing copper and iron
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GB239768A
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Process for the treatment of iron-copper alloys
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US1562472A
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Process for the treatment of alloys containing copper and iron
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CA319305A
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Bore-hole loading apparatus
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CA300607A
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Process of separating cobalt and iron from solutions
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