[Class : 1] Chemicals Used In Industry; Tempering And Soldering Preparations; Chemical Compositions For The Treatment Of Metallic Baths. Finishing Preparations For Use In The Manufacture Of Steel; Chemical Preparations For Facilitating The Alloying Of Metals; Galvanizing Baths; Alkaline Earth Metals; Antimony; Nitrogen; Bismuth; Calcium Carbide; Calcium Salts; Carbon; Lanthanum; Metalloids; Salts From Rare Earth Metals; Metal Earths; Selenium; Silicon; Sulphur; Tellurium; Yttrium; Bore; Brazing Preparations; Brazing Fluxes; Foundry Fluxes; Galvanizing Preparations.[Class : 6] Common Metals, Unwrought And Semi Wrought, And Their Alloys; Cables, Tubes And Wires Of Metal, Non Electric; Cored Cables, Tubes And Wires Of Metal, Tubes Of Metal; Ores; Laminated And Cast Metallic Building Materials; Building Materials Of Metal; Steel; Aluminium; Iron, Unwrought Or Semi Wrought; Lead, Unwrought Or Semi Wrought; Chromium; Manganese; Niobium; Molybdenum; Titanium; Tungsten; Vanadium.