Classification Information
Additives for grinding and welding, welding fluxes, protective gases for welding, auxiliary fluids for abrasives
ChemicalsRail grinding machines, rail welding machines, railway construction machines, gas-operated welding apparatus, electrodes for welding machines; electric arc welding apparatus, electric welding apparatus
MachineryInstallation, maintenance and repair of rail welding machines and rail grinding machines
Building Construction and Repair