CJ

Changyong Ji

CC China Railway No. 3 Engineering Group Co.: 1 patents #1 of 63Top 2%
📍 Shanxi, CN: #111 of 253 inventorsTop 45%
Overall (All Time): #2,584,603 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11655600 Method for installing steel tube arches Yugen Zhang, Chenghong Liu, Liang Ma, Yubo Chen, Yingmei Wang +3 more 2023-05-23