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ASA S3.37-1987 (R2017)

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ASA S3.37-1987 (R2017) American National Standard Preferred Earhook Nozzle Thread for Postauricular Hearing Aids

standard by American National Standards of the Acoustical Society of America, 01/01/1987

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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.

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Published: 01/01/1987 ANSI: ANSI Approved Number of Pages: 6File Size: 1 file , 800 KB