78947076
Aug 8, 2006
Feb 19, 2008
power operated ladles, power operated electrode-holder arms and hydraulic actuation units for operating electric furnaces
Machineryelectrodes for use with electric furnaces; electrical control panels; and electrical circuits
Electrical and Scientific Apparatuselectric furnaces, and components thereof, namely, cooled panels and cooled crowns for cooling electric furnaces
Environmental Control Apparatus