PL164706B1
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Method of and apparatus for recovering waste heat from arc/resistance furnaces
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PL285978A2
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Mehd of obtaining three-component ferroalloys containing silicium, in particular silicomanganese and silicochromium
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PL271030A1
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Method of melting charge material in an electric arc-resistance furnace in particular in mineral wool production process
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PL268825A1
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Method of preparing a dusty components containing chargefor production of ferrous alloys in arc-resistance electric furnaces
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PL255804A1
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Transformer voltage measuring system
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PL241995A1
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Method of operation of lining of electric arc furnace for smelting of ferroalloys
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