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GB583775A
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Improvements in the manufacture of iron and steel
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GB505631A
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Processes for roasting or roasting and smelting of materials containing sulphide of iron
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GB478489A
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Process for extracting alumina from bauxite
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GB495654A
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A process for the production of fine fibrous mineral material
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GB447130A
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Improvements in the welding of cast iron
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GB426765A
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Improved process for the refining of alloys
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GB418859A
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A process for obtaining products containing spinels
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GB391662A
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Improvements in and relating to the manufacture of refractory substances
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GB382796A
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Process of producing chromium alloys low in carbon
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GB355792A
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A process for the manufacture of aluminium and its alloys
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GB343896A
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A process of producing refractory materials
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GB302087A
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A process of producing metals or alloys together with refractory materials
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GB311256A
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Improvements in or relating to iron and steel alloys
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GB289639A
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A process for the production of aluminium oxide or products containing aluminium oxide from material containing aluminium sulphide
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GB295227A
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A process for the production of aluminium oxide and other aluminium compounds
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GB242958A
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Electrolytic process for producing aluminium and aluminium alloys
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GB234830A
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Improvements in process for producing aluminium oxide or products containing aluminium oxide
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GB232549A
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A process for the treatment of raw materials containing highly refractory oxide
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GB239404A
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Process for producing metals and alloys
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