zváranie 3 Exclude matching results 621.79 1 Exclude matching results arc welding with protective gas 1 Exclude matching results electric welding 1 Exclude matching results laser welding 1 Exclude matching results strojárstvo 1 Exclude matching results technical standardization 1 Exclude matching results technická štandardizácia a normalizácia 1 Exclude matching results welding 1 Exclude matching results welding machines 1 Exclude matching results zváracia technika 1 Exclude matching results zváracie stroje 1 Exclude matching results zváranie elektrickým oblúkom 1 Exclude matching results zváranie laserom 1 Exclude matching results zváranie v ochrannej atmosfére 1 Exclude matching results