CN212156407U - 一种计算机外接投影仪用支架 - Google Patents
一种计算机外接投影仪用支架 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112614448A (zh) * | 2021-01-05 | 2021-04-06 | 濮阳职业技术学院 | 一种营销策略制定现场的投影装置 |
CN114532737A (zh) * | 2022-02-21 | 2022-05-27 | 魏婷 | 一种可对投影仪放置启动的办公桌 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112614448A (zh) * | 2021-01-05 | 2021-04-06 | 濮阳职业技术学院 | 一种营销策略制定现场的投影装置 |
CN114532737A (zh) * | 2022-02-21 | 2022-05-27 | 魏婷 | 一种可对投影仪放置启动的办公桌 |
CN114532737B (zh) * | 2022-02-21 | 2024-03-22 | 魏婷 | 一种可对投影仪放置启动的办公桌 |
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Effective date of registration: 20221208 Address after: Room 1801, Unit 2, No. 22, Xunchuan Hutong, Daoli District, Harbin City, Heilongjiang Province, 150000 Patentee after: Wang Baifeng Address before: 330096 floor 2, Gaohang building, No. 899, Huohuo Wu Road, Nanchang high tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: Nanchang sancunhui Information Technology Co.,Ltd. |
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Effective date of registration: 20221227 Address after: 100000 1003, Floor 9, Building 1, Yard 32, Xizhimen North Street, Haidian District, Beijing Patentee after: Beijing Hengkang Century Technology Co.,Ltd. Address before: Room 1801, Unit 2, No. 22, Xunchuan Hutong, Daoli District, Harbin City, Heilongjiang Province, 150000 Patentee before: Wang Baifeng |
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