74496271
Mar 1, 1994
chemical flux composition for use in welding, brazing and soldering operations, either to be applied to metal surfaces or to welding rods
Chemicalselectric welding, soldering and brazing machines, and parts therefor, namely hand-held torches
Machineryelectric apparatus used in welding, soldering and brazing process, namely electric arc welders
Electrical and Scientific Apparatus