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Jinxuan Li
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Beijing, CN
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last 30 patents
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Patent Grant
Adjustable device for railway to cross active faults
Patent number
11,655,595
Issue date
May 23, 2023
INSTITUTE OF GEOLOGY AND GEOPHYSICS, CHINESE ACADEMY OF SCIENCES
Songfeng Guo
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Patent Grant
Variable angle loading testing machine
Patent number
11,287,356
Issue date
Mar 29, 2022
INSTITUTE OF GEOLOGY AND GEOPHYSICS
Songfeng Guo
G01 - MEASURING TESTING