CN206224827U - 一种基于单网线接口的无源电子黑板装置 - Google Patents
一种基于单网线接口的无源电子黑板装置 Download PDFInfo
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CN113870747A (zh) * | 2021-09-24 | 2021-12-31 | 惠州视维新技术有限公司 | 转接板及点屏系统 |
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CN113870747A (zh) * | 2021-09-24 | 2021-12-31 | 惠州视维新技术有限公司 | 转接板及点屏系统 |
CN113870747B (zh) * | 2021-09-24 | 2023-11-14 | 惠州视维新技术有限公司 | 转接板及点屏系统 |
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Address after: No. 12-9 Fengji road in Yuhuatai District of Nanjing City, Jiangsu province 210039 Patentee after: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Address before: 211000 Jiangsu Province, Nanjing city Yuhuatai district road 18, building 3, Phoenix Patentee before: Jiangsu Oudi Electronic Science & Technology Co., Ltd. |
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Denomination of utility model: Passive electronic blackboard device based on single net twine interface Effective date of registration: 20180509 Granted publication date: 20170606 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Registration number: 2018320000062 |
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Date of cancellation: 20190509 Granted publication date: 20170606 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Registration number: 2018320000062 |
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Denomination of utility model: Passive electronic blackboard device based on single net twine interface Effective date of registration: 20190605 Granted publication date: 20170606 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Registration number: 2019320000262 |
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Date of cancellation: 20210406 Granted publication date: 20170606 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: JIANGSU ODIN ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2019320000262 |
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