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C21B5/001—Injecting additional fuel or reducing agents
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FR832163A1959-08-111960-07-06Procédé perfectionné de fabrication de fonte et ferro-alliages et haut fourneau pour sa mise en oeuvre
ExpiredFR1264733A
(fr)
Procédé pour le déchargement d'un haut fourneau et pour le traitement métallurgique de la fonte brute liquide ainsi que l'installation pour la mise en oeuvre de ce procédé