标准摘要 [中文适用范围]: 修改第 3.3 和 5.4.6 款,替换第 4.17 款。 [外文原描述]: Replaces clause 4.17 of IEC 60118-0 second edition by a new one. 展开完整摘要 英文名称Amendment 1 - Hearing aids. Part 0: Measurement of electroacoustical characteristics