DS EN 60645-4:1996被替代
Audiometers - Part 4: Equipment For Extended High-Frequency Audiometry
出版：Danish Standards
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基本信息
标准编号： DS EN 60645-4:1996
发布时间：1996/1/11 0:00:00
标准类别：Standard
出版单位：Danish Standards
标准页数：32
标准简介
Defines requirements for audiometric equipment designed for use in pure tone audiometry in the frequency range from 8000 Hz to 16000 Hz, in addition to those that are applicable and specified in IEC 645-1.
替代本标准的新标准
