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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B19/00—Obtaining zinc or zinc oxide
C22B19/04—Obtaining zinc by distilling
C22B19/14—Obtaining zinc by distilling in vertical retorts
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FR451806D1912-12-121912-12-12Procédé d'évacuation continue des résidus dans les cornues verticales employées pour l'obtention du zinc
ExpiredFR451806A
(fr)