CN211909114U - 一种新型的入耳式圈铁耳机结构 - Google Patents
一种新型的入耳式圈铁耳机结构 Download PDFInfo
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- CN211909114U CN211909114U CN202020911094.9U CN202020911094U CN211909114U CN 211909114 U CN211909114 U CN 211909114U CN 202020911094 U CN202020911094 U CN 202020911094U CN 211909114 U CN211909114 U CN 211909114U
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WO2024027456A1 (zh) * | 2022-08-03 | 2024-02-08 | 安克创新科技股份有限公司 | 耳机及耳机系统 |
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WO2024027456A1 (zh) * | 2022-08-03 | 2024-02-08 | 安克创新科技股份有限公司 | 耳机及耳机系统 |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new structure of in ear ring iron earphone Effective date of registration: 20210303 Granted publication date: 20201110 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN CITY HELE ELECTRONIC Co.,Ltd. Registration number: Y2021980001412 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211129 Granted publication date: 20201110 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN CITY HELE ELECTRONIC Co.,Ltd. Registration number: Y2021980001412 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |