CN202995931U - 震动感应式无线电子门铃呼叫器 - Google Patents
震动感应式无线电子门铃呼叫器 Download PDFInfo
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- CN202995931U CN202995931U CN 201220683634 CN201220683634U CN202995931U CN 202995931 U CN202995931 U CN 202995931U CN 201220683634 CN201220683634 CN 201220683634 CN 201220683634 U CN201220683634 U CN 201220683634U CN 202995931 U CN202995931 U CN 202995931U
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CN 201220683634 CN202995931U (zh) | 2012-12-12 | 2012-12-12 | 震动感应式无线电子门铃呼叫器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102999980A (zh) * | 2012-12-12 | 2013-03-27 | 谢忠玉 | 震动感应式无线电子门铃呼叫器 |
CN105096414A (zh) * | 2015-07-13 | 2015-11-25 | 河南科技大学 | 一种用于办公室来访应答及接待的检测处理系统 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102999980A (zh) * | 2012-12-12 | 2013-03-27 | 谢忠玉 | 震动感应式无线电子门铃呼叫器 |
CN105096414A (zh) * | 2015-07-13 | 2015-11-25 | 河南科技大学 | 一种用于办公室来访应答及接待的检测处理系统 |
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C14 | Grant of patent or utility model | ||
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Owner name: HEILONGJIANG INSTITUTE OF TECHNOLOGY Free format text: FORMER OWNER: XIE ZHONGYU Effective date: 20130719 |
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Effective date of registration: 20130719 Address after: 150050 Heilongjiang province Harbin Daowai District, Hongqi Street, No. 999 Patentee after: Heilongjiang Institute of Technology Address before: 150050 Heilongjiang province Harbin Daowai District, Hongqi Street, No. 999 Patentee before: Xie Zhongyu |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141212 |
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