[SJ 1555-1980] MF52型珠状热敏电阻器[已废止]
发布时间:1980-02-04
实施时间:1980-10-01
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[SJ 1557-1980] 旁热型负温度系数热敏电阻器总技术条件[已作废]
发布时间:1980-02-04
实施时间:1980-10-01
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[SJ 1558-1980] MF41型和MF44型旁热型负温度系数热敏电阻器[已废止]
发布时间:1980-02-04
实施时间:1980-10-01
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[SJ 1559-1980] 稳压型负温度系数热敏电阻器总技术条件[已废止]
发布时间:1980-02-04
实施时间:1980-10-01
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[SJ 1560-1980] MF21型和MF22型稳压型负温度系数热敏电阻器[已废止]
发布时间:1980-02-04
实施时间:1980-10-01
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[SJ 1158-77] MF11型普通用负温度系数热敏电阻器[现行]
发布时间:1977-10-01
实施时间:1977-10-01
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[SJ 1159-77] MF12型普通用负温度系数热敏电阻器[现行]
发布时间:1977-10-01
实施时间:1977-10-01
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[SJ 1160-77] MF13型普通用负温度系数热敏电阻器[现行]
发布时间:1977-10-01
实施时间:1977-10-01
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[SJ 1161-77] MF14型普通用负温度系数热敏电阻器[现行]
发布时间:1977-10-01
实施时间:1977-10-01
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[SJ 1162-77] MF15型普通用负温度系数热敏电阻器[现行]
发布时间:1977-10-01
实施时间:1977-10-01
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[SJ 1163-77] MF16型普通用负温度系数热敏电阻器[现行]
发布时间:1977-10-01
实施时间:1977-10-01
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[YD XXX 4-1997] SDH光缆系统工程采购设备技术规范(试行本)[现行]
发布时间:1900-01-01
实施时间:
有1 个说明
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