NON-PRECIOUS METAL ALLOYS IN THE FORM OF TUBES, RODS, GRANULATES, SHEETS, STRIPS AND WIRES FOR GENERAL USE IN THE INDUSTRIAL ARTS; NON-PRECIOUS METAL ALLOYS IN SEMI-FINISHED FORM FOR USE IN IMPLANTS, ENDOPROSTHESES, CARDIAC-PACEMAKER HOUSINGS AND COMPONENTS THEREOF, CARDIAC-PACEMAKER ELECTRODES, ARTIFICIAL CARDIAC VALVES AND CABLE FOR CARDIAC PACEMAKERS