CN202258030U - 一种多面体展开面活动教学模型 - Google Patents
一种多面体展开面活动教学模型 Download PDFInfo
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- CN202258030U CN202258030U CN2011203666228U CN201120366622U CN202258030U CN 202258030 U CN202258030 U CN 202258030U CN 2011203666228 U CN2011203666228 U CN 2011203666228U CN 201120366622 U CN201120366622 U CN 201120366622U CN 202258030 U CN202258030 U CN 202258030U
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CN2011203666228U CN202258030U (zh) | 2011-09-29 | 2011-09-29 | 一种多面体展开面活动教学模型 |
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CN2011203666228U CN202258030U (zh) | 2011-09-29 | 2011-09-29 | 一种多面体展开面活动教学模型 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106205395A (zh) * | 2016-09-08 | 2016-12-07 | 京东方科技集团股份有限公司 | 显示器模组和显示装置 |
CN110570729A (zh) * | 2019-09-20 | 2019-12-13 | 郑州航空工业管理学院 | 数学教学三维空间展示装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106205395A (zh) * | 2016-09-08 | 2016-12-07 | 京东方科技集团股份有限公司 | 显示器模组和显示装置 |
CN110570729A (zh) * | 2019-09-20 | 2019-12-13 | 郑州航空工业管理学院 | 数学教学三维空间展示装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BEIJING CHINAEDUSTAR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHOU JIANYU Effective date: 20130116 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130116 Address after: 100096 No. 3, building 1, No. 1107, ten Street, Haidian District, Beijing Patentee after: Beijing Chinaedustar Technology Co., Ltd. Address before: 100096, Beijing, Xisanqi Haidian District building materials East Road, Fuli Taoyuan C22 building, 1 gate 501 Patentee before: Zhou Jianyu |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20180929 |
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CF01 | Termination of patent right due to non-payment of annual fee |