ANSI S3.37-1987 标准详情
- 标准号:ANSI S3.37-1987
- 中文标题:耳廓后助听器的优选耳部吊钩波导口螺纹
- 英文标题:Preferred Earhook Nozzle Thread for Postauricular Hearing Aids
- 标准类别:美国国家标准
- 发布日期:1987
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 pos
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