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GB886970A
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Improvements in or relating to the production of steel
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GB860696A
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Improvements relating to the metallurgical treatment of compositions comprising nickel and iron
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US2953451A
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Metallurgical process
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US2830892A
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Process for the separation and recovery of fe, ti, and al values from ores and wastematerials containing same
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US2830891A
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Process for the production of ferromanganese products from manganesebearing materials
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US2830890A
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Process for the production of ferromanganese from low-grade manganese-bearing materials
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US2830889A
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Process for the production of ferromanganese from high-grade manganese-bearing materials
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US2814658A
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Electric furnace
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US2801156A
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Process and apparatus for the production of metallic carbides and metallic silicides
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US2845342A
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Method of recovering ferrochromium
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US2800396A
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Phosphorus recovery
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US2805929A
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Process for obtaining iron from material containing iron oxides
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US2805930A
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Process of producing iron from iron-oxide material
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US2775518A
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Manganese recovery
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