Хайлтын үр дүнгүүд - Salminen Antti

Defectos Defects Edge preparation Efficiency Eficiencia Fusion welding LBW Laser beam welding Metallurgical technology Metallurgy Metalurgia Precalentamiento Preheating Preparacin̤ de bordes Soldadura Soldadura de fusin̤ Soldadura por rayo ls̀er Tecnologa̕ metalr͠gica Vaco̕ Vacuum Welding