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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 , 840 KB