Method for the heat treatment of a steel reinforcement element for tires
High frequency heat treatment apparatus for railway wheel
METHOD FOR THE MANUFACTURE OF HARD SURFACE LAYER ON THE AUTOMATIC FREIGHT CAR COUPLER PART
VERFAHREN UND VORRICHTUNG ZUR THERMISCHEN BEHANDLUNG EINES ROHRFÖRMIGEN METALLISCHEN BAUTEILS
MANUFACTURING METHOD FOR A DOOR IMPACT BEAM AND THE DOOR IMPACT BEAM