Mengzhao Lin

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Qingdao city, ShanDong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Earphone and a method for making an earphone to achieve automatic i...
- Patent number 9,549,241
- Issue date Jan 17, 2017
- QINGDAO GOERTEK TECHNOLOGY CO., LTD.
- Mengzhao Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
An Earphone And A Method For Making An Earphone To Achieve Automati...
- Publication number 20150304764
- Publication date Oct 22, 2015
- QINGDAO GOERTEK TECHNOLOGY CO., LTD.
- Mengzhao Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE