CN208487367U - 一种会议用角度可调节的投影设备 - Google Patents
一种会议用角度可调节的投影设备 Download PDFInfo
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- CN208487367U CN208487367U CN201820434576.2U CN201820434576U CN208487367U CN 208487367 U CN208487367 U CN 208487367U CN 201820434576 U CN201820434576 U CN 201820434576U CN 208487367 U CN208487367 U CN 208487367U
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CN201820434576.2U CN208487367U (zh) | 2018-03-29 | 2018-03-29 | 一种会议用角度可调节的投影设备 |
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CN201820434576.2U CN208487367U (zh) | 2018-03-29 | 2018-03-29 | 一种会议用角度可调节的投影设备 |
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Effective date of registration: 20200109 Address after: Room 412, building 6, No.91 Zhangjiang Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai 201207 Patentee after: Shanghai yilianzhanshi Digital Technology Co.,Ltd. Address before: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20200109 Address after: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 225300 No. 38 Pioneering Avenue, Gaogang District, Taizhou City, Jiangsu Province Patentee before: Zhao Qingxin |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20210329 |
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CF01 | Termination of patent right due to non-payment of annual fee |