Tungsten electrodes for inert gas shielded arc welding and for plasma cutting and welding; codification (ISO 6848:1984); german version EN 26848:1991— 6 стр.
Tungsten electrodes for inert gas shielded arc welding and for plasma cutting and welding; codification (ISO 6848:1984); german version EN 26848:1991— 6 стр.