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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