CN204652615U - 一种降噪话务耳机 - Google Patents
一种降噪话务耳机 Download PDFInfo
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- CN204652615U CN204652615U CN201520225306.7U CN201520225306U CN204652615U CN 204652615 U CN204652615 U CN 204652615U CN 201520225306 U CN201520225306 U CN 201520225306U CN 204652615 U CN204652615 U CN 204652615U
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CN201520225306.7U CN204652615U (zh) | 2015-04-14 | 2015-04-14 | 一种降噪话务耳机 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180706 Address after: 210019 7, 06, 18 East Street, Jialing River, Jianye District, Nanjing, Jiangsu. Co-patentee after: Ma'anshan aide Electronic Technology Co., Ltd. Patentee after: Jiangsu Nanda Electronic Information Technology Co., Ltd. Address before: 210017 7, 06, 18 East Street, Jialing River, Jianye District, Nanjing, Jiangsu. Patentee before: Jiangsu Nanda Electronic Information Technology Co., Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Noise reduction traffic earphone Effective date of registration: 20200423 Granted publication date: 20150916 Pledgee: Bank of China Limited Nanjing City Branch Pledgor: JIANGSU PROVINCE NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY ELECTRONIC INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2020980001720 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |