CN206574275U - 经济学教学用具 - Google Patents
经济学教学用具 Download PDFInfo
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- CN206574275U CN206574275U CN201720246730.9U CN201720246730U CN206574275U CN 206574275 U CN206574275 U CN 206574275U CN 201720246730 U CN201720246730 U CN 201720246730U CN 206574275 U CN206574275 U CN 206574275U
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CN201720246730.9U CN206574275U (zh) | 2017-03-14 | 2017-03-14 | 经济学教学用具 |
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CN201720246730.9U CN206574275U (zh) | 2017-03-14 | 2017-03-14 | 经济学教学用具 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109727509A (zh) * | 2019-02-01 | 2019-05-07 | 崔爱梅 | 一种小学数学教学展示器具 |
CN112131941A (zh) * | 2020-08-17 | 2020-12-25 | 新丰电器(深圳)有限公司 | 一种基于ocr识别的自动检查机架 |
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2017
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109727509A (zh) * | 2019-02-01 | 2019-05-07 | 崔爱梅 | 一种小学数学教学展示器具 |
CN112131941A (zh) * | 2020-08-17 | 2020-12-25 | 新丰电器(深圳)有限公司 | 一种基于ocr识别的自动检查机架 |
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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: Lu Xue Inventor after: Wang Jun Inventor after: Hu Tingting Inventor after: Liu Wenbing Inventor before: Lu Xue |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171012 Address after: 401331 Chongqing Shapingba District University City Army Service College Patentee after: PLA Military Service College Address before: 430000 No. 20, Yongqing Road, Jiang'an District, Hubei, Wuhan, 62101 Patentee before: Lu Xue |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20190314 |
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CF01 | Termination of patent right due to non-payment of annual fee |