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JPS5339923A
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Treating method of materials containing tin
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JPS5317505A
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Electric furnace for refining select ore containing nonferrous heavy metal and ironncontaining ore
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AU6970274A
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Method of processing tin-and bismuth bearing materials
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ES419910A1
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A heat exchanger device for cooling hot stretched material. (Machine-translation by Google Translate, not legally binding)
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CA995658A
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Heat exchanger for cooling ore cinders
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CA958898A
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Method for the production of low-sulphur converter mattes
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CA953928A
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Method of continuous converting of metallurgical melts and a converter furnace to realize this method
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DE1909651A1
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Thermo- and hydro-metallurgical working- - up of pyrites and concentrates
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CA827064A
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Method for extraction of nickel and cobalt from poor sulphate solutions
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