CN216719267U - 一种电子技术多媒体教学装置 - Google Patents
一种电子技术多媒体教学装置 Download PDFInfo
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CN202122902213.1U CN216719267U (zh) | 2021-11-24 | 2021-11-24 | 一种电子技术多媒体教学装置 |
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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: Shi Lei Inventor after: Meng Liang Inventor after: Wang Dong Inventor after: Wang Ziming Inventor before: Wang Ziming |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220719 Address after: 073000 No. 166, Xindong lane, luzhuangzi village, Xicheng District, Dingzhou City, Baoding City, Hebei Province Patentee after: Shi Lei Patentee after: Meng Liang Patentee after: Wang Dong Address before: 510000 No. 19, Yanjiang Middle Road, Dashi street, Panyu District, Guangzhou City, Guangdong Province Patentee before: Wang Ziming |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |
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CF01 | Termination of patent right due to non-payment of annual fee |