ASA S3.37-1987 (R2020) American National Standard for Preferred Earhook Nozzle Thread for Postauricular Hearing Aids

standard by American National Standards of the Acoustical Society of America, 04/28/1987

Full Description

This standard describes a preferred thread for earhook nozzles on postauricular hearing aids. The need for such a standardarises from the wide variety of earhooks that hearing aid dispensers are required to keep in inventory to utilize differentpostauricular hearing aids from several manufacturers.

Product Details

Published: 04/28/1987 ANSI: ANSI Approved Number of Pages: 7 File Size: 1 file , 1.1 MB