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Zhongzhao GUO
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Hunan, CN
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Patents Grants
last 30 patents
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Patent Grant
Method and system for predicting corrosion fatigue life of prestres...
Patent number
11,486,815
Issue date
Nov 1, 2022
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Yafei Ma
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Arch foot maintaining device and maintenance method for achieving m...
Patent number
11,066,793
Issue date
Jul 20, 2021
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Lei Wang
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
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Patent Application
METHOD AND SYSTEM FOR PREDICTING CORROSION FATIGUE LIFE OF PRESTRES...
Publication number
20210199560
Publication date
Jul 1, 2021
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Yafei MA
G01 - MEASURING TESTING
Information
Patent Application
ARCH FOOT MAINTAINING DEVICE AND MAINTENANCE METHOD FOR ACHIEVING M...
Publication number
20210062441
Publication date
Mar 4, 2021
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Lei WANG
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES