Hai quan WU

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Shenzhen, Guangdong, CN

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR DRAWING A NOISE MAP
- Publication number 20160372136
- Publication date Dec 22, 2016
- SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
- Yanan SONG
- G10 - MUSICAL INSTRUMENTS ACOUSTICS