ASA S3.37 – American National Standard for Preferred Earhook Nozzle Thread for Postauricular Hearing Aids
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
Note:
This product is unavailable in Ukraine, Russia, Belarus
