CN205081942U - 一种具有抑制回授功能的耳塞装置 - Google Patents
一种具有抑制回授功能的耳塞装置 Download PDFInfo
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- CN205081942U CN205081942U CN201520906987.3U CN201520906987U CN205081942U CN 205081942 U CN205081942 U CN 205081942U CN 201520906987 U CN201520906987 U CN 201520906987U CN 205081942 U CN205081942 U CN 205081942U
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CN201520906987.3U CN205081942U (zh) | 2015-11-16 | 2015-11-16 | 一种具有抑制回授功能的耳塞装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105263081A (zh) * | 2015-11-16 | 2016-01-20 | 北京祥雍智杰科技有限公司 | 一种具有抑制回授功能的耳塞装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105263081A (zh) * | 2015-11-16 | 2016-01-20 | 北京祥雍智杰科技有限公司 | 一种具有抑制回授功能的耳塞装置 |
CN105263081B (zh) * | 2015-11-16 | 2018-05-01 | 北京祥雍智杰科技有限公司 | 一种具有抑制回授功能的耳塞装置 |
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Effective date of registration: 20210719 Address after: 100095 building 3, Linshan Linyu Second District, Lengquan Xishan, Haidian District, Beijing Patentee after: Zhao Qiang Address before: Room 712-8, building D, entrepreneurship Park, No. 2, Shangdi Information Road, Haidian District, Beijing 100085 Patentee before: BEIJING XIANGYONG ZHIJIE TECHNOLOGY Co.,Ltd. |
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Addressee: Zhao Qiang Document name: payment instructions |
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