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Un aparato de control para una maquina soldadora para mantener el punto de contacto de un haz electronico en la linea de soldadura prevista entre dos piezas
Welding torch assembly with electrode and gas directing means wherein welding wire is automatic fed into the welding zone at an angle of 50 degrees or less to the plan of the work surface such that the torch is propelled along due to the resistance of the wire against a newly formed weld