CN204732117U - 一种多媒体球幕演示仪 - Google Patents
一种多媒体球幕演示仪 Download PDFInfo
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- CN204732117U CN204732117U CN201520439711.9U CN201520439711U CN204732117U CN 204732117 U CN204732117 U CN 204732117U CN 201520439711 U CN201520439711 U CN 201520439711U CN 204732117 U CN204732117 U CN 204732117U
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- multimedia
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CN201520439711.9U CN204732117U (zh) | 2015-06-24 | 2015-06-24 | 一种多媒体球幕演示仪 |
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CN204732117U true CN204732117U (zh) | 2015-10-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115220293A (zh) * | 2021-04-14 | 2022-10-21 | 中强光电股份有限公司 | 投影装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115220293A (zh) * | 2021-04-14 | 2022-10-21 | 中强光电股份有限公司 | 投影装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multimedia ball screen demonstrator Effective date of registration: 20211103 Granted publication date: 20151028 Pledgee: Weifang rural commercial bank Limited by Share Ltd. hi tech sub branch Pledgor: SHANDONG GAOZHIBO EDUCATION & TECHNOLOGY Co.,Ltd. Registration number: Y2021980011850 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230823 Granted publication date: 20151028 Pledgee: Weifang rural commercial bank Limited by Share Ltd. hi tech sub branch Pledgor: SHANDONG GAOZHIBO EDUCATION & TECHNOLOGY Co.,Ltd. Registration number: Y2021980011850 |