[SJ/Z 9072.1-1987] 磁性零件有效参数的计算[已废止]
发布时间:1987-11-10
实施时间:1987-11-10
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[SJ/Z 9072.2-1987] 磁性氧化物制成的交叉形磁芯(X-磁芯)及其附件的尺寸[已废止]
发布时间:1987-11-10
实施时间:1987-11-10
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[SJ/Z 9072.4-1987] 磁性氧化物或铁粉制成的轴向引线磁芯[已作废]
发布时间:1987-11-10
实施时间:1987-11-10
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[GB 7228-1987] 电解整流设备的整流效率及其供电对象的电能利用率测算方法[已作废]
发布时间:1987-02-03
实施时间:1987-11-01
本标准适用于用电解法生产有色金属及化工产品的大功率整流设备的效率及其供电对象(电解槽、炉)的电能利用..
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[SJ 2743-1987] 电源用磁性氧化物磁芯(EC-磁芯)的尺寸[已作废]
发布时间:1987-01-09
实施时间:1987-10-01
本标准规定了磁性氧化物制成的适用于高磁通密度的E形磁芯的几何尺寸的磁路尺寸,这个系列的磁芯明确规定用..
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[JB/DQZ 0133.9-1985] 产品图样及技术文件十进位分类编号法[已作废]
发布时间:1986-01-01
实施时间:1986-01-01
产品图样及技术文件十进位分类编号法是作为对产品图及及技术文件进行编号的一种办法。他的特点是按对象的特..
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[SJ 2565-1985] 磁头用铁氧体材料系列及测试方法[已废止]
发布时间:1985-01-22
实施时间:1985-10-01
本标准规定了磁头用软磁铁氧体材料(以下简称材料)的品种系列与测试方法。
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[SJ 2465-1984] 通用型应用电视云台总技术条件[现行]
发布时间:1984-04-05
实施时间:1984-10-01
本标准适用于通用型应用电视室内型和室外型(全天候)电动云台、手动云台。其中电动云台适用于无可燃、无腐..
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[SJ 2318-1983] 扬声器用铝镍钴永磁体[已作废]
发布时间:1983-03-01
实施时间:1983-10-01
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[SJ 2268-1983] 旋转多晶铁氧体材料系列[已作废]
发布时间:1983-01-08
实施时间:1983-07-01
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[SJ 1748-1981] UF12、UF16铁氧体U型磁芯[已作废]
发布时间:1981-08-31
实施时间:1982-01-01
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[SJ 1624-1980] 微波铁氧体隔离器、环行器总技术条件[已废止]
发布时间:1981-03-01
实施时间:1981-03-01
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[SJ 1625-1980] 微波铁氧体同轴隔离器、环行器[已废止]
发布时间:1980-08-05
实施时间:1981-03-01
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[SJ 1626-1980] 微波铁氧体波导隔离器、环行器[已废止]
发布时间:1980-08-05
实施时间:1981-03-01
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发布时间:1976-09-02
实施时间:1977-01-01
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