CN212869252U - 一种基于人脸识别的远程学习管理装置 - Google Patents
一种基于人脸识别的远程学习管理装置 Download PDFInfo
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CN114473754A (zh) * | 2022-04-18 | 2022-05-13 | 徐州景澜新材料科技有限公司 | 一种金刚石抛光打磨装置 |
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CN114473754A (zh) * | 2022-04-18 | 2022-05-13 | 徐州景澜新材料科技有限公司 | 一种金刚石抛光打磨装置 |
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Address after: 411100, No. 108 Ji'an Road, High tech Zone, Xiangtan City, Hunan Province, China. Room A3105, 3rd Floor, Building Materials Street, Hunan Jiajia Meiju Marriage Square Patentee after: Hunan Tenglehui Technology Co.,Ltd. Country or region after: China Address before: 411100 station 26, 6th floor, Changtang building, 85 Xiaguang East Road, Baota street, Yuetang District, Xiangtan City, Hunan Province Patentee before: Hunan huileteng Online Education Technology Co.,Ltd. Country or region before: China |
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Effective date of registration: 20240407 Address after: 411100, No. 108 Ji'an Road, High tech Zone, Xiangtan City, Hunan Province, China. Room A3168, 3rd Floor, Building Materials Street, Hunan Jiajia Meiju Marriage Square Patentee after: Hunan Huabihui Enterprise Service Co.,Ltd. Country or region after: China Address before: 411100, No. 108 Ji'an Road, High tech Zone, Xiangtan City, Hunan Province, China. Room A3105, 3rd Floor, Building Materials Street, Hunan Jiajia Meiju Marriage Square Patentee before: Hunan Tenglehui Technology Co.,Ltd. Country or region before: China |