Yajun CHEN

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Patents Grantslast 30 patents

Information Patent Grant
Pollution-free liquid balancing device
- Patent number 8,707,847
- Issue date Apr 29, 2014
- Beijing Mechanical Equipment Institute
- Shengjie Wang
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
POLLUTION-FREE LIQUID BALANCING DEVICE
- Publication number 20140007758
- Publication date Jan 9, 2014
- BEIJING MECHANICAL EQUIPMENT INSTITUTE
- Shengjie WANG
- F41 - WEAPONS