标准号:SIS SS IEC 118-1986
中文标准名称:音响效果.助听器
英文标准名称:Acoustics — Hearing aids
发布日期:1986/9/15 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard describes the measurement of physical performance characteristics of air-conduction hearing aids based on a free-field technique and measured with an ear simulator.