CN207884847U - 一种高效音腔密封结构及具有该密封结构的长条形音箱 - Google Patents
一种高效音腔密封结构及具有该密封结构的长条形音箱 Download PDFInfo
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- CN207884847U CN207884847U CN201820159933.9U CN201820159933U CN207884847U CN 207884847 U CN207884847 U CN 207884847U CN 201820159933 U CN201820159933 U CN 201820159933U CN 207884847 U CN207884847 U CN 207884847U
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CN110891232A (zh) * | 2019-11-29 | 2020-03-17 | 歌尔股份有限公司 | 磁铁安装结构和扬声器 |
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CN110891232A (zh) * | 2019-11-29 | 2020-03-17 | 歌尔股份有限公司 | 磁铁安装结构和扬声器 |
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Denomination of utility model: A high-efficiency sound cavity sealing structure and a long strip loudspeaker with the sealing structure Effective date of registration: 20220630 Granted publication date: 20180918 Pledgee: Dalian Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN GOLDEN HUALU DIGITAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980009617 |
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Date of cancellation: 20230627 Granted publication date: 20180918 Pledgee: Dalian Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN GOLDEN HUALU DIGITAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980009617 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High efficiency sound cavity sealing structure and long strip sound box with the sealing structure Effective date of registration: 20230628 Granted publication date: 20180918 Pledgee: Dalian Enterprise Credit Financing Guarantee Co.,Ltd. Pledgor: DALIAN GOLDEN HUALU DIGITAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980046470 |
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