标准摘要
[中文适用范围]： 用新条款替换了 IEC 60118-7 的第 4.4 条。 [外文原描述]： Replaces clause 4.4 of IEC 60118-7 by a new one.
英文名称Amendment 1 - Hearing aids. Part 7: Measurement of performance characteristics of hearing aids for quality inspection for delivery purposes