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Shenzhen, CN
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Patents Grants
last 30 patents
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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 Applications
last 30 patents
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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
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