CN207201570U - 一种自动灌溉排水装置 - Google Patents
一种自动灌溉排水装置 Download PDFInfo
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- CN207201570U CN207201570U CN201720502510.8U CN201720502510U CN207201570U CN 207201570 U CN207201570 U CN 207201570U CN 201720502510 U CN201720502510 U CN 201720502510U CN 207201570 U CN207201570 U CN 207201570U
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CN201720502510.8U CN207201570U (zh) | 2017-05-08 | 2017-05-08 | 一种自动灌溉排水装置 |
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CN107006338A (zh) * | 2017-05-08 | 2017-08-04 | 武汉大学 | 一种自动灌溉排水装置 |
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CN107006338A (zh) * | 2017-05-08 | 2017-08-04 | 武汉大学 | 一种自动灌溉排水装置 |
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CB03 | Change of inventor or designer information |
Inventor after: Chen Ningyue Inventor after: Yang Jiaqin Inventor after: Xia Weipeng Inventor after: Zhao Zilong Inventor after: Wang Lijun Inventor after: Guo Zhiwei Inventor before: Xia Weipeng Inventor before: Zhao Zilong Inventor before: Wang Lijun Inventor before: Chen Ningyue Inventor before: Yang Jiaqin Inventor before: Guo Zhiwei |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190508 |
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CF01 | Termination of patent right due to non-payment of annual fee |