Laser-beam processing apparatus for surface hardening, coating, sintering, cutting, engraving, welding, soldering and heat-treatment, and installations consisting essentially thereof; laser installations for surface hardening, coating, sintering, cutting, engraving, welding, soldering and heat-treatment of workpieces; laser-based welding and soldering equipment and apparatus; laser welding apparatus

Computer programs for control technology, regulating technology and process diagnostics for laser-beam processing apparatus and installations; data processing equipment for laser-beam processing apparatus and installations