Crucibles, Electric Arc and Plasma Gas Chambers and Torches for Use in Melting, Treating and Welding Metals; and Electric Power Supplies and Electrical Controllers for Metal Melting Furnaces, and Parts Therefor
Electrical and Scientific ApparatusFurnaces for Melting and Remelting Metals With and Without a Vacuum Surrounding the Metal; Toxic Waste Incinerators; Vacuum Arc Remelting Furnaces; Electron Beam Furnaces; Plasma Arc Furnaces; Vacuum Induction Melting and Casting Furnaces; Plasma Cold Hearth Melting Furnaces; Plasma Pyrolysis and Vitrification Furnaces for Toxic, Hazardous and Low-Level Nuclear Waste; and Furnaces for Producing Metal Powder
Environmental Control Apparatus