Wanghua Xu

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vibration sounder
- Patent number 9,238,252
- Issue date Jan 19, 2016
- AAC Technologies Pte. Ltd.
- Wanghua Xu
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
VIBRATION SOUNDER
- Publication number 20150030198
- Publication date Jan 29, 2015
- AAC TECHNOLOGIES PTE. LTD
- Wanghua Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE