CN207037616U - 一种点阵成像手写装置 - Google Patents
一种点阵成像手写装置 Download PDFInfo
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Effective date of registration: 20180528 Address after: 100029 Beijing Chaoyang District Beichen West Road 69, Junfeng Huating D block 1012 Patentee after: BEIJING QILU MANAGEMENT CONSULTING Co.,Ltd. Address before: 100098 Haidian District, Beijing, North Third Ring Road 18, 2, building 803-3. Patentee before: Tian Xuesong |
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Effective date of registration: 20200717 Address after: No.1108, 11th floor, Gaode building, No.10 Huayuan East Road, Haidian District, Beijing 100083 Patentee after: BEIJING TSTUDY TECHNOLOGY Co.,Ltd. Address before: 100029 Beijing Chaoyang District Beichen West Road 69, Junfeng Huating D block 1012 Patentee before: BEIJING QILU MANAGEMENT CONSULTING Co.,Ltd. |
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Effective date of registration: 20211014 Address after: Room 701, unit 4, floor 5, xiujuyuan, Beiyuan Jiayuan, Chaoyang District, Beijing 100012 Patentee after: Tian Xuesong Address before: 100083 no.1108, 11th floor, Gaode building, No.10 Huayuan East Road, Haidian District, Beijing Patentee before: BEIJING TSTUDY TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220413 Address after: 100083 no.1108, 11th floor, Gaode building, No.10 Huayuan East Road, Haidian District, Beijing Patentee after: BEIJING TSTUDY TECHNOLOGY CO.,LTD. Address before: Room 701, unit 4, floor 5, xiujuyuan, Beiyuan Jiayuan, Chaoyang District, Beijing 100012 Patentee before: Tian Xuesong |
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Effective date of registration: 20230316 Address after: 100044 04-758, floor 8, No. 18, Zhongguancun Street, Haidian District, Beijing Patentee after: BEIJING QILU MANAGEMENT CONSULTING Co.,Ltd. Address before: 100083 no.1108, 11th floor, Gaode building, No.10 Huayuan East Road, Haidian District, Beijing Patentee before: BEIJING TSTUDY TECHNOLOGY CO.,LTD. |