CN213904680U - 一种光学原理科普展示装置 - Google Patents
一种光学原理科普展示装置 Download PDFInfo
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- CN213904680U CN213904680U CN202022900973.4U CN202022900973U CN213904680U CN 213904680 U CN213904680 U CN 213904680U CN 202022900973 U CN202022900973 U CN 202022900973U CN 213904680 U CN213904680 U CN 213904680U
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022900973.4U CN213904680U (zh) | 2020-12-03 | 2020-12-03 | 一种光学原理科普展示装置 |
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| CN202022900973.4U CN213904680U (zh) | 2020-12-03 | 2020-12-03 | 一种光学原理科普展示装置 |
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| CN213904680U true CN213904680U (zh) | 2021-08-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116486722A (zh) * | 2023-03-21 | 2023-07-25 | 清华大学 | 一种遮光显示模块及三维展示系统 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116486722A (zh) * | 2023-03-21 | 2023-07-25 | 清华大学 | 一种遮光显示模块及三维展示系统 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A popular science display device for optical principles Effective date of registration: 20220616 Granted publication date: 20210806 Pledgee: Industrial and Commercial Bank of China Limited Shenzhen gaoxinyuan sub branch Pledgor: SHENZHEN E.B.T. ENVIRONMENTAL ART ENGINEERING DESIGN CO.,LTD. Registration number: Y2022980007954 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 518110 Building C, Minzhi Stock Commercial Center, North Station Community, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province 5101 Patentee after: Shenzhen Yibotang Digital Culture Technology Group Co.,Ltd. Country or region after: China Address before: 518001 room 701, floor 7, Jinhu cultural center building, No. 1022, Beihuan Avenue, Qingshuihe street, Luohu District, Shenzhen, Guangdong Province Patentee before: SHENZHEN E.B.T. ENVIRONMENTAL ART ENGINEERING DESIGN CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |