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Production of quartz glass and manufacturing device for the same
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Treatment of oxide containing dusts
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AU5170890A
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Plasma arc torch
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Metal recovery
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EP0369642A2
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Method of melting materials
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A process for the treatment of molten materials
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Method of melting materials and apparatus therefor
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Dual electrode system
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Process for thermal dissociation of pyrite
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Process for production of iron
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Magnetite production
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Production of iron
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Thermal dissociation of pyrite
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Magnetite
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Recovery of gold
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METHOD FOR MANUFACTURING HYDRAULIC CEMENT AND PRE-CEMENT PRODUCTS
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IE772231L
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Production of hydraulic cements.
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Production of hydraulic cements and cement-forming materials
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Preparation of feed materials for carbothermal processes
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METHOD AND EQUIPMENT FOR PREPARING BLOOD STRAINS
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