EN 60645-2-1997 标准详情
- 标准号:EN 60645-2-1997
- 中文标题:测听计 第2部分:语音测听装置
- 英文标题:Audiometers - Part 2: Equipment for speech audiometry (IEC 60645-2:1993)
- 标准类别:欧盟标准EN
- 发布日期:1997/01/01
Defines requirements for audiometers or parts thereof for provision of a means of presenting speech sounds to a subject in a standard manner such as for measuring speech recognition. Type A supplies a wide range of facilities and Type B only basic fa
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