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现行 JJG 2021-1989
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磁通计量器具检定系统 Magnetic Flux Measuring Instruments
发布日期: 1989-07-21
实施日期: 1990-05-21
分类信息
发布单位或类别: 中国-国家计量检定规程
关联关系
研制信息
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