A.M.P.ASS.

ELECTRONIC TESTERS AND CALIBRATORS FOR HEARING AIDS WITH AUDIO AND VISUAL OUTPUTS SOLD AS A UNIT; PRE-RECORDED AUDIO AND VISUAL ELECTRONIC DATA CARRIERS AND ELECTRONIC PROGRAMS THAT CONTAIN COMBINED PSYCHO-ACOUSTIC TESTS FOR THE EVALUATION OF DEAFNESS; PRE-RECORDED VIDEOTAPES CARRYING INFORMATION AND SUGGESTIONS FOR PEOPLE WITH HEARING AIDS

MEDICAL SERVICE OF EVALUATING HEARING GAPS