Rähni, Andrus2021-09-142021-09-142011https://dspace.tktk.ee/handle/20.500.12863/3634Gaaskeevitus (pilt)Creative Commons Attribution Non-commercial Share Alikegas weldingwelding equipmentweldingkeevituskeevitamineMechanical Engineering--Production Engineering and Technology--Welding Technology and EquipmentMehaanika--Tootmistehnika ja -tehnoloogia--Keevitustehnoloogia ja -seadmedMasinaehitusMechanical Engineeringimage