CN216307209U - 一种具有学生身份识别功能的智能音视频设备 - Google Patents
一种具有学生身份识别功能的智能音视频设备 Download PDFInfo
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Effective date of registration: 20231024 Address after: No. 18 Jianshe Road, Kaixuan Street, Liangxiang, Fangshan District, Beijing 102400- D26560 (cluster registration) Patentee after: Beijing Zhenshan Xiaozhi Technology Center (L.P.) Address before: 518104 No. 2, Xinhe Avenue, Gonghe community, Shajing street, Bao'an District, Shenzhen, Guangdong 2055-2088 Patentee before: Shenzhen Zhengyi Business Co.,Ltd. |
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Effective date of registration: 20231220 Address after: 100000 room 02a-255, block B (second floor), No. 28, information road, Haidian District, Beijing Patentee after: Beijing Tenghua Shanzhi Technology Co.,Ltd. Address before: No. 18 Jianshe Road, Kaixuan Street, Liangxiang, Fangshan District, Beijing 102400- D26560 (cluster registration) Patentee before: Beijing Zhenshan Xiaozhi Technology Center (L.P.) |
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