72368619
Aug 20, 1970
Apr 11, 1972
MEDICAL ELECTRONIC INSTRUMENTS AND THEIR ACCESSORIES-NAMELY, THOSE WHICH ARE USED TO TAPE RECORD ELECTROCARDIOGRAPH (EGG) SIGNALS AND PLAY THEM BACK AT A LATER TIME,MICROPHONES, ELECTRODES, PATIENT CABLES, MAGNETIC TAPE CASSETTES, CHART RECORDER PAPER, AND CARRYING CASES
Medical, Beauty & Agricultural