Fangfang Xiao

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Extended-span and alternatively-shaped arch bridge and construction...
- Patent number 8,997,292
- Issue date Apr 7, 2015
- Shenzhen Bridge Design & Research Institute Co., Ltd.
- Yong Li
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
EXTENDED-SPAN AND ALTERNATIVELY-SHAPED ARCH BRIDGE AND CONSTRUCTION...
- Publication number 20140223674
- Publication date Aug 14, 2014
- Shenzhen Municipal Design & Research Institute Co., Ltd.
- Yong Li
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES