CN213734333U - 一种教师教学用可调节高度的黑板 - Google Patents
一种教师教学用可调节高度的黑板 Download PDFInfo
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- CN213734333U CN213734333U CN202021783109.4U CN202021783109U CN213734333U CN 213734333 U CN213734333 U CN 213734333U CN 202021783109 U CN202021783109 U CN 202021783109U CN 213734333 U CN213734333 U CN 213734333U
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021783109.4U CN213734333U (zh) | 2020-08-24 | 2020-08-24 | 一种教师教学用可调节高度的黑板 |
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| CN202021783109.4U CN213734333U (zh) | 2020-08-24 | 2020-08-24 | 一种教师教学用可调节高度的黑板 |
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| CN213734333U true CN213734333U (zh) | 2021-07-20 |
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| GR01 | Patent grant | ||
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Effective date of registration: 20220915 Address after: No. 3 and 4, 10th Floor, Xiangshang Building, No. 40, Xinhua South Road, Wujiang District, Shaoguan City, Guangdong Province, 512000 Patentee after: Shaoguan huaxingyu Information Technology Co.,Ltd. Address before: 464400 Zhuying, Guihua Village, Chengguan Town, Huaibin County, Xinyang City, Henan Province Patentee before: Fu Yunqi |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20251024 Address after: 100000 No. 402, Door 2, Building 204, Xiyuan Second Area, Wangjing, Chaoyang District, Beijing Patentee after: Wei Maofeng Country or region after: China Address before: No. 3 and 4, 10th Floor, Xiangshang Building, No. 40, Xinhua South Road, Wujiang District, Shaoguan City, Guangdong Province, 512000 Patentee before: Shaoguan huaxingyu Information Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20251108 Address after: 100000 No. 3, Chongwenmen Outer Street, Dongcheng District, Beijing Patentee after: Beijing Zhongke Zhijiao Technology Co.,Ltd. Country or region after: China Address before: 100000 No. 402, Door 2, Building 204, Xiyuan Second Area, Wangjing, Chaoyang District, Beijing Patentee before: Wei Maofeng Country or region before: China |