CN202887534U - 一种多功能教学演示仪 - Google Patents
一种多功能教学演示仪 Download PDFInfo
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- CN202887534U CN202887534U CN 201220324348 CN201220324348U CN202887534U CN 202887534 U CN202887534 U CN 202887534U CN 201220324348 CN201220324348 CN 201220324348 CN 201220324348 U CN201220324348 U CN 201220324348U CN 202887534 U CN202887534 U CN 202887534U
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CN 201220324348 CN202887534U (zh) | 2012-07-06 | 2012-07-06 | 一种多功能教学演示仪 |
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CN 201220324348 CN202887534U (zh) | 2012-07-06 | 2012-07-06 | 一种多功能教学演示仪 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111508318A (zh) * | 2020-04-27 | 2020-08-07 | 王泽斌 | 一种自定义分区打点计数器 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111508318A (zh) * | 2020-04-27 | 2020-08-07 | 王泽斌 | 一种自定义分区打点计数器 |
CN111508318B (zh) * | 2020-04-27 | 2021-12-03 | 李建勋 | 一种自定义分区打点计数器 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: YUNGUANDUAN INTERNET SOFTWARE CO., LTD. Free format text: FORMER NAME: XIN'AN SOFTWARE (CHINA) CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Futian District science and technology building on the 18 floor Zhuzilin Education (A) Patentee after: YUNGUANDUAN INTERNET SOFTWARE CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Futian District science and technology building on the 18 floor Zhuzilin Education (A) Patentee before: Information Security Software (China) Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20190706 |
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CF01 | Termination of patent right due to non-payment of annual fee |