D.C. electric arc furnace with consumable and fixed electrode ge
DC arc furnace
DC arc furnace
DC Arc furnace having a shielded arc
DC arc furnace having starting equipment
DC Arc furnace hearth connection
DC Arc furnace power connection system
DC electric arc melting apparatus
Device for feeding one or a plurality of electrodes in an electr
Direct current electric arc furnace
Direct current electric arc furnace
Direct current electric furnace for melting metal
Direct current melting furnace with control of deflection of the
Direct current-electric arc furnace system
Direct-arc electric furnace fed with controlled current and meth
Direct-current arc furnace
Direct-current arc furnace for steelmaking
Direct-current arc furnace having bottom electrodes with bath ag
Direct-current arc furnace plant
Direct-current electric-arc furnace and method of operating same