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ZA8502475B
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Ore sorting
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BR8500898A
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Method for separating a mangan ore and appliance for its performance
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ZA8406748B
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Method for sorting of ore
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ZA8308701B
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Electrode length measurement
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ZA7803513B
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Movable seal for furnace gas exhaust ducts
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FR2384848A1
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Blast furnace construction and use - with at least one downwardly vertical tuyere through which oxygen-enriched blast is introduced
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DE2713078A1
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Blast furnace construction and use - with at least one downwardly vertical tuyere through which oxygen-enriched blast is introduced
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ZA7602272B
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Method for forming ore cakes
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ZA7506334B
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Blast furnaces
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