E + C

CHEMICAL FLUX COMPOSITIONS FOR USE IN WELDING, BRAZING, AND SOLDERING OPERATIONS, EITHER TO BE APPLIED TO METAL SURFACES OR TO WELDING RODS METALS AND THEIR ALLOYS IN THE FORM OF P

METAL ALLOYS IN THE FORM OF POWDER AND SOLIDS FOR USE IN WELDING, BRAZING AND SOLDERING OPERATIONS

INCONDESCENT WELDERS, SPARK WELDERS AND ARC WELDERS; GUNS FOR PLASMA SPRAYING INCLUDING JETS, TIPS AND NOSE PIPES FOR USE IN CONJUNCTION THEREWITH; SAFETY HELMUTS FOR USE IN WELDING, BRAZING AND SOLDERING OPERATIONS; WELDING ELECTRODES, CONSUMABLE ELECTRODES; AND APPARATUS FOR USE IN WELDING, BRAZING AND SOLDERING OPERATIONS, NAMELY, ACETYLENE TORCHES, WELDING HEADS AND THERMAL SPRAY DIFFUSERS

ELECTRIC APPARATUS USED IN WELDING, SOLDERING AND BRAZING PROCESSES, NAMELY, ELECTRIC RESISTANCE WELDING AND ARC WELDING APPARATUS

MAINTENANCE, RENOVATION AND/OR REPAIR OF METALLIC AND/OR SYNTHETIC SURFACES OF MACHINES AND APPLIANCES INCLUDING TURBINE BLADES, BORING TOOLS, CUTTERS AND OTHER PARTS AND FITTINGS OF SUCH MACHINES OR APPLIANCES; PLATING, COATING, SHAPING AND WELDING SURFACES

INSTRUCTIONAL AND TEACHING SERVICES, ALL RELATING TO FAULT/TREATMENT DIAGNOSIS, MAINTENANCE, RENOVATION AND/OR REPAIR OF INSTALLATIONS, MACHINES OR APPLIANCES AND OF PARTS AND FITTINGS OF INSTALLATIONS, MACHINES OR APPLIANCES; ALL RELATING TO PLATING, COATING, SHAPING AND TO WELDING