
【国外标准】 Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991)
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2025-06-05
- DIN EN ISO 389
- 废止
- 定价:
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适用范围:
暂无
标准号:
DIN EN ISO 389
标准名称:
Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991)
英文名称:
标准状态:
废止-
发布日期:
2001-11-01 -
实施日期:
出版语种:
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