Yuzhong Lei

Follow

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Arch bridge
- Patent number 7,469,438
- Issue date Dec 30, 2008
- Yong Li
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Arch bridge
- Publication number 20080005857
- Publication date Jan 10, 2008
- Yong LI
- Yong Li
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES