CN210605341U - 一种活动策划宣传用设备 - Google Patents
一种活动策划宣传用设备 Download PDFInfo
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CN113628481A (zh) * | 2021-08-15 | 2021-11-09 | 夏培准 | 一种便于调节的多媒体教学设备 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113628481A (zh) * | 2021-08-15 | 2021-11-09 | 夏培准 | 一种便于调节的多媒体教学设备 |
CN113628481B (zh) * | 2021-08-15 | 2022-12-09 | 深圳华兆科技有限公司 | 一种便于调节的多媒体教学设备 |
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Effective date of registration: 20210709 Address after: 572000 room 709, building 3, Nanhai Jiayuan, Nanshan Huayuan Road, Yazhou District, Sanya City, Hainan Province Patentee after: Hainan meiyang Technology Co.,Ltd. Address before: 574000 Internet innovation and entrepreneurship center, 212 Jiyang Avenue, Jiyang District, Sanya City, Hainan Province Patentee before: Headmaster Technology (Hainan) Co.,Ltd. |
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Effective date of registration: 20230822 Address after: No. 1 Yucai Road, Jiyang District, Sanya City, Hainan Province, 572000 Patentee after: Hainan Rehai Vocational Skills Training Co.,Ltd. Address before: 572000 room 709, building 3, Nanhai Jiayuan, Nanshan Huayuan Road, Yazhou District, Sanya City, Hainan Province Patentee before: Hainan meiyang Technology Co.,Ltd. |
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