Panel for electric furnace
Panelized spray-cooled furnace roof
Pool power control in remelting systems
Power control system for AC electric arc furnace
Power converter device for direct current power supply to an ele
Power converter device for direct current power supply to an ele
Power source circuit and its control for three-phase...
Power supply circuit for a direct current arc furnace
Preheat system
Preheater for arc furnaces
Preheating device
Preheating mechanism for use with duplex electric-arc furnace sy
Procedure and apparatus for continuous supply of heat in electri
Procedure and means for preheating scrap to be charged into a sm
Procedure for controlling the type of arc in an electrical furna
Process and an apparatus for producing metals and metal alloys
Process and apparatus for measuring the instability of an arc in
Process and arrangement for operating a double furnace installat
Process and device for disposal of filter materials
Process and device for melting down of scrap