CN203519675U - 一种地网测量专用的大功率变频信号源 - Google Patents
一种地网测量专用的大功率变频信号源 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103941213A (zh) * | 2014-04-15 | 2014-07-23 | 国网上海市电力公司 | 一种gis电流互感器现场校验方法 |
CN113359021A (zh) * | 2021-06-23 | 2021-09-07 | 深圳市锦祥自动化设备有限公司 | 静态同期检查继电器及高精度相位差和幅值差判断系统 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103941213A (zh) * | 2014-04-15 | 2014-07-23 | 国网上海市电力公司 | 一种gis电流互感器现场校验方法 |
CN113359021A (zh) * | 2021-06-23 | 2021-09-07 | 深圳市锦祥自动化设备有限公司 | 静态同期检查继电器及高精度相位差和幅值差判断系统 |
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CU01 | Correction of utility model |
Correction item: Second patent holder Correct: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Corp. False: ELECTRIC POWER SCIENCE & TECHNOLOGY INSTITUTE OF GUANGDONG GRID Co. Number: 14 Page: The title page Volume: 30 |
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CU03 | Publication of corrected utility model |
Correction item: Second patent holder Correct: ELECTRIC POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID Corp. False: ELECTRIC POWER SCIENCE & TECHNOLOGY INSTITUTE OF GUANGDONG GRID Co. Number: 14 Volume: 30 |
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Free format text: CORRECT: SECOND PATENTEE; FROM: ELECTRIC POWER SCIENCE + TECHNOLOGY INSTITUTE OF GUANGDONG GRID COMPANY TO: ELECTRICAL POWER RESEARCH INSTITUTE OF GUANGDONG POWER GRID CORPORATION |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |