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ASA S3.37 PDF download
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American National Standard for Preferred Earhook Nozzle Thread for Postauricular Hearing Aids
| Published by | Publication Date | Number of Pages |
| ASA | 04/28/1987 | 7 |
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.
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