CN207004509U - 一种地磁导向仪 - Google Patents
一种地磁导向仪 Download PDFInfo
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- CN207004509U CN207004509U CN201720866631.0U CN201720866631U CN207004509U CN 207004509 U CN207004509 U CN 207004509U CN 201720866631 U CN201720866631 U CN 201720866631U CN 207004509 U CN207004509 U CN 207004509U
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CN201720866631.0U CN207004509U (zh) | 2017-07-17 | 2017-07-17 | 一种地磁导向仪 |
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CN201720866631.0U CN207004509U (zh) | 2017-07-17 | 2017-07-17 | 一种地磁导向仪 |
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CN207004509U true CN207004509U (zh) | 2018-02-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113464049A (zh) * | 2021-06-17 | 2021-10-01 | 湖南坤灵导向技术服务有限公司 | 一种新型无线非开挖导向仪系统 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113464049A (zh) * | 2021-06-17 | 2021-10-01 | 湖南坤灵导向技术服务有限公司 | 一种新型无线非开挖导向仪系统 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Shuo Inventor after: Dai Tianhong Inventor before: Wang Shuo |
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CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180328 Address after: 150040 Xiangfang District, Heilongjiang, and Hing Road, No. 26, Harbin Patentee after: NORTHEAST FORESTRY University Address before: 065000 Anci District, Anci District, Langfang City, Hebei, 1-602 thumbs square 1-602 Patentee before: Wang Shuo |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 |
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CF01 | Termination of patent right due to non-payment of annual fee |