Chao Guo

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 12,015,225
- Issue date Jun 18, 2024
- VIVO MOBILE COMMUNICATION CO., LTD.
- Chao Guo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20220102922
- Publication date Mar 31, 2022
- VIVO MOBILE COMMUNICATION CO.,LTD.
- Chao Guo
- H01 - BASIC ELECTRIC ELEMENTS