CN208921277U - 一种功耗低的自容式水听器 - Google Patents
一种功耗低的自容式水听器 Download PDFInfo
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CN201821355746.4U CN208921277U (zh) | 2018-08-20 | 2018-08-20 | 一种功耗低的自容式水听器 |
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CN110187330A (zh) * | 2019-06-24 | 2019-08-30 | 南京铁道职业技术学院 | 水听器设备 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110187330A (zh) * | 2019-06-24 | 2019-08-30 | 南京铁道职业技术学院 | 水听器设备 |
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GR01 | Patent grant | ||
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Effective date of registration: 20210218 Address after: 211215 No. 368 zhe Ning Road, zhe Tang Town, Lishui District, Nanjing, Jiangsu Patentee after: Gu Zhengqiang Address before: 211215 No. 368 zhe Ning Road, zhe Tang Town, Lishui District, Nanjing, Jiangsu Patentee before: NANJING HAIJING ELECTRONIC TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
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Effective date of registration: 20211111 Address after: 211215 No. 368, Zhening East Road, Zhetang Town, Lishui District, Nanjing City, Jiangsu Province Patentee after: Nanjing Yujiang Electronic Technology Co., Ltd Address before: 211215 No. 368, Zhening East Road, Zhetang Town, Lishui District, Nanjing City, Jiangsu Province Patentee before: Gu Zhengqiang |