7
Machines; machines and machine tools; electric welding machines; engraving machines; welding machines; welding machines, electric; drilling machines; metal-working machines; control mechanisms for machines, engines or motors; electric generators; milling machines; power generators; electricity generators; current generators; cutting machines; reels (parts of machines); machines for the thermal treatment of materials using electron beams, in particular welding, drilling and tempering
9
Electron microscopes; electron tubes; voltage regulators; electrical power control apparatus; apparatus and instruments for physics; electrical and electronic control apparatus; apparatus and instruments for the supply, distribution, transformation, accumulation, regulation or control of electric current; voltage stabilisers; electrical and electronic circuits; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; laser welding devices; electric welding apparatus; welding apparatus, electric; welding apparatus, electric; cathodes; cathode-ray tubes; collectors, electric; material testing instruments and machines; apparatus and instruments for physics; Electric coils; electromagnetic coils; electromagnetic coils; high voltage technology apparatus and instruments; circuits, control loops for electronic beam machines and their CNC controls, including application programs
40
Treatment of materials; metal treatment services; metal treatment; soldering; metal tempering; Metal tempering; laser scribing; laser scribing; metal casting, cutting, profiling and tempering; engraving; soldering; information on the treatment of materials; thermal treatment of materials using electron and laser technology, in particular welding, drilling, tempering and cutting