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ASA S3.37-1987 (R2020)

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

Preferred Earhook Nozzle Thread for Postauricular Hearing Aids

PUBLISH DATE 1987
ASA S3.37-1987 (R2020)
This standard describes a preferred thread for earhook nozzles on postauricular hearing aids. The need for such a standard arises from the wide variety of earhooks that hearing aid dispensers are required to keep in inventory to utilize different postauricular hearing aids from several manufacturers.
SDO ASA: Acoustical Society of America
Document Number S3.37
Publication Date April 28, 1987
Language en - English
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