[Class : 40] Treatment Of Materials And In Particular Ores And Metals, Including In Particular Metallic Coating; Any Treatment Of Metals And Any Mechanical, Thermo Mechanical Or Chemical Transformation Of The Properties And Characteristics Of Metals; Brazing, Chromium Plating, Nickel Plating, Tinning, Galvanizing, Laminating, Armoring, Cutting, Polishing, Magnetization, Plat...