
【国外标准】 Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions
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适用范围:
暂无
标准号:
BS 3383:1961
标准名称:
Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions
英文名称:
Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions标准状态:
被代替-
发布日期:
1961-05-19 -
实施日期:
出版语种:
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