CN213177550U - 一种课堂互动教学展示装置 - Google Patents
一种课堂互动教学展示装置 Download PDFInfo
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- CN213177550U CN213177550U CN202022104954.0U CN202022104954U CN213177550U CN 213177550 U CN213177550 U CN 213177550U CN 202022104954 U CN202022104954 U CN 202022104954U CN 213177550 U CN213177550 U CN 213177550U
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CN202022104954.0U CN213177550U (zh) | 2020-09-23 | 2020-09-23 | 一种课堂互动教学展示装置 |
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GR01 | Patent grant | ||
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Effective date of registration: 20220421 Address after: 610000 middle section of Jiuzhou Avenue, science and education entrepreneurship Park, Mianyang City, Sichuan Province Patentee after: TIANFU College OF SWUFE Address before: Tianfu college, Southwest University of Finance and economics, 29 Hangtian Road, Longtan headquarters economic city, Chenghua District, Chengdu, Sichuan 610000 Patentee before: Wu Lijuan |
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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: 20210511 Termination date: 20210923 |