CL

Chenghong Liu

CC China Railway No. 3 Engineering Group Co.: 1 patents #1 of 63Top 2%
Overall (All Time): #1,808,101 of 4,157,543Top 45%
2
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Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11655600 Method for installing steel tube arches Yugen Zhang, Liang Ma, Yubo Chen, Changyong Ji, Yingmei Wang +3 more 2023-05-23
D953787 Storage rack 2022-06-07