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US4108636A
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Method of the direct reduction of iron ore
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US4098496A
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Apparatus for direct reduction of iron ore
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DE2514703B1
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PLANT FOR THE PRODUCTION OF SINGLE BRIQUETTES FROM DUCTILE MATERIAL
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DE2459814B1
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Plant for direct redn of iron ore to sponge iron - where crude gas passes through sulphur washer
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DE2459877B1
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Direct redn. of iron ores to sponge iron - in plant which includes sulphur and carbon dioxide washers, and regenerators
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DE2459763A1
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Continuous prodn. of low sulphur iron sponge - in a shaft furnace using a redn. gas composed of carbon monoxide and hydrogen
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DE2459875B1
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Plant for direct reduction of iron ores - suitable for use with heavy fuel oils contg sulphur and with recirculated throat-gas
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DE2459876B1
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PLANT FOR THE DIRECT REDUCTION OF IRON ORES
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DE2438790A1
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METHOD AND SYSTEM FOR REDUCING IRON ORES
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DE2418434A1
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Continuous prodn of steel from iron sponge - in an induction furnace under a liq slag of constant basicity
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