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[SJ/Z 9072.3-1987] 变压器和电感器磁芯制造厂产品目录中有关铁氧体材料的资料[已作废]
发布时间：1987-10-30
实施时间：1987-10-30
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[SJ 2744-1987] 磁性氧化物制成的方形磁芯(RM磁芯)及其附件的尺寸[已废止]
发布时间：1987-01-09
实施时间：1987-10-01
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[SJ 20819-2002] 军用EMI吸波元件(包括磁珠、磁环、磁筒、磁夹板等元件)通用规范[现行]
发布时间：1900-01-01
实施时间：
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- YD/T 3556-2019
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