标准摘要
[中文适用范围]： 适用于可安装到插入耳道的耳模上的设备。定义了确保与耳模或其他耳朵附件一起使用的设备的互换性所必需的尺寸。尺寸给出 [外文原描述]： Applicable to insert earphones which can be fitted to an earmould inserted into the ear canal. Defines those dimensions which are essential in order to ensure interchangeability of insert earphones as used with earmoulds or other attachments to the ear.
英文名称Hearing aids. Part 5: Nipples for insert earphones