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GB832598A
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Process for the reduction of oxidic compounds of iron and similar metals
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GB834169A
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Process for treating oxidic raw materials of iron and similar metals
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GB708770A
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Process for reduction of iron oxides
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US2740710A
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Method for the production of iron, nickel, cobalt, manganese, and chromium from their ores
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US2709650A
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Method of processing iron containing materials to nodules
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US2721794A
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Method of processing metal containing materials
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US2053149A
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Process of producing iron alloys
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US2007121A
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Roasting furnace
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GB225842A
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Improvements in or relating to the treatment of ores and metallurgical products
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