CN202615271U - 一种可与电脑无线连接并互相控制的一体机 - Google Patents
一种可与电脑无线连接并互相控制的一体机 Download PDFInfo
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CN105577831A (zh) * | 2016-02-02 | 2016-05-11 | 明博教育科技股份有限公司 | 一种电子课件移动授课中数据通信的方法和系统 |
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CN105577831A (zh) * | 2016-02-02 | 2016-05-11 | 明博教育科技股份有限公司 | 一种电子课件移动授课中数据通信的方法和系统 |
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Owner name: NEW UNION (BEIJING) TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: IGRS INFORMATION TECHNOLOGY ENGINEER CENTER CO., LTD. Effective date: 20130423 |
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Effective date of registration: 20130423 Address after: 100000, Haidian District, Suzhou Street, No. 31 and 33, 14, 1414, Beijing Patentee after: New Union (Beijing) Technology Co., Ltd. Address before: Two Beijing City, Haidian District Haidian North Street 100000 No. 10 taipeng Building 8 layer 0806 Patentee before: IGRS Engineering Lab Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20180329 |
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CF01 | Termination of patent right due to non-payment of annual fee |