chemical flux composition for use in welding, brazing and soldering operations, either to be applied to metal surfaces or to welding rods

Metallic Welding Rods and Metallic Alloys for Welding, Brazing, and Soldering

CHEMICAL FLUX COMPOSITIONS FOR USE IN WELDING, BRAZING, AND SOLDERING OPERATIONS, EITHER TO BE APPLIED TO METAL SURFACES OR TO WELDING RODS

METALLIC WELDING, BRAZING, AND SOLDERING ALLOYS IN THE FORM OF ELECTRODES AND RODS COATED WITH OR HAVING INCORPORATED THEREIN FLUX SUBSTANCE; NON-TACKY CEMENTING MATERIAL IN THE NATURE OF A SOLDER AND SPELTER FOR WELDING, BRAZING, AND SOLDERING PURPOSES

instructional and teaching services, all relating to fault/treatment diagnosis, maintenance, renovation and/or repair of installations, machines, or appliances having to do with metal plating, coating, shaping, and welding and of parts and fittings of installations, machines, or appliances having to do with metal plating, coating, shaping, and welding

Unprocessed and semi-processed materials of metal, not specified for use; metal hardware; metals in powder form

Chemicals used in industry; chemical additives and unprocessed synthetic resins and plastics for soldering, welding and surface coating processes (included in this class); welding powder and welding preparations, namely soldering chemicals, particularly for metals, soldering powder and solder, namely brazing fluxes; welding pastes (included in this class)