现行 JJF 1269-1990
耦合腔互易法声压基准操作技术规范 耦合腔互易法声压基准操作技术规范 Operating Technical Norm of the Primary Standard for the Sound Pressure of Reciprocity Technigue
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分类信息
发布单位或类别： 中国 国家计量技术规范
CCS分类： A59综合 - 计量 - 声学计量
ICS分类：
标准简介

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最后更新时间 2025-08-28