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Method for melting ferrous scrap metal and chromite in a submerged arc furnace to produce a chromium containing iron
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Method for cooling gases containing naf and hf
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Method for detecting pinhole of continuously cast metal billet
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Method for treatment of potlining residue from primary aluminium smelters
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Method of treatment of zinc-containing by-products and waste materials
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Method for recovering zinc from zinc-containing waste materials
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Process and device for continuous production of pieces of elonged coal
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Method and means for continuous production of carbon bodies
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Device for separating solid particles from a fluid
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Device for separating solid particles from a fluid
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Method of flaw detection in billets
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Method for production of metals of ferroalloys by direct reduction
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Plasma torch
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Treating ash and dust from incineration plants by coprocessing with hazardous waste and/or metallic scrap
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Treatment of dust deposited from exhaust gas from hetallurical treatment
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