CN204505195U - 页岩化石修理笔 - Google Patents
页岩化石修理笔 Download PDFInfo
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- CN204505195U CN204505195U CN201520183411.9U CN201520183411U CN204505195U CN 204505195 U CN204505195 U CN 204505195U CN 201520183411 U CN201520183411 U CN 201520183411U CN 204505195 U CN204505195 U CN 204505195U
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CN201520183411.9U CN204505195U (zh) | 2015-03-30 | 2015-03-30 | 页岩化石修理笔 |
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CN201520183411.9U CN204505195U (zh) | 2015-03-30 | 2015-03-30 | 页岩化石修理笔 |
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CN204505195U true CN204505195U (zh) | 2015-07-29 |
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CN201520183411.9U Expired - Fee Related CN204505195U (zh) | 2015-03-30 | 2015-03-30 | 页岩化石修理笔 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109016167A (zh) * | 2018-07-06 | 2018-12-18 | 北京大学 | 灰岩中化石的修复方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109016167A (zh) * | 2018-07-06 | 2018-12-18 | 北京大学 | 灰岩中化石的修复方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170718 Address after: 401120 No. 245 Ankang Road, Yubei District Airport Development Zone, Chongqing Patentee after: Chongqing Changjiang Geological Engineering Research Institute Co Ltd Address before: 650217 Guandu, Yunnan province by the way cattle Road, No. Patentee before: Yunnan land resources Professional School |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180926 Address after: 652501 Kunming Yangzong Sea Scenic Area, Yunnan Patentee after: Yunnan land resources Professional School Address before: 401120 245 Ankang Road, Yubei District Airport Development Zone, Chongqing Patentee before: Chongqing Changjiang Geological Engineering Research Institute Co Ltd |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190330 |
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CF01 | Termination of patent right due to non-payment of annual fee |