Junjie Ma

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ventilating device
- Patent number 10,508,827
- Issue date Dec 17, 2019
- Panasonic Ecology Systems Guangdong Co., LTD.
- Kunran Wu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
VENTILATING DEVICE
- Publication number 20180080680
- Publication date Mar 22, 2018
- PANASONIC ECOLOGY SYSTEMS GUANGDONG CO., LTD.
- Kunran Wu
- F24 - HEATING RANGES VENTILATING