CN204392387U - 一种应用无线网络的智能身份识别门铃装置 - Google Patents
一种应用无线网络的智能身份识别门铃装置 Download PDFInfo
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- CN204392387U CN204392387U CN201420740451.4U CN201420740451U CN204392387U CN 204392387 U CN204392387 U CN 204392387U CN 201420740451 U CN201420740451 U CN 201420740451U CN 204392387 U CN204392387 U CN 204392387U
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CN201420740451.4U CN204392387U (zh) | 2014-11-28 | 2014-11-28 | 一种应用无线网络的智能身份识别门铃装置 |
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Cited By (1)
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CN107564211A (zh) * | 2016-06-30 | 2018-01-09 | 深圳市九洲电器有限公司 | 一种到访提醒方法及系统 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107564211A (zh) * | 2016-06-30 | 2018-01-09 | 深圳市九洲电器有限公司 | 一种到访提醒方法及系统 |
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Effective date of registration: 20160519 Address after: 300457 Tianjin City, Tianjin Binhai New Area Development Zone Fifth Street Taihua Road No. 12 TEDA SME development center room 3644 Patentee after: TIANJIN KEXUN SCIENCE AND TECHNOLOGY CO., LTD. Address before: 300000 Tianjin City, Tianjin Binhai New Area Development Zone Tianrun Science Park Sixth Street No. 110 A409-3 Patentee before: Tianjin Jiang Wan Science and Technology Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20171128 |
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CF01 | Termination of patent right due to non-payment of annual fee |