GX

Guoan Xu

Overall (2019): #454,074 of 560,194Top 85%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10190281 Sectional modular large-deformation-resistant impact-resistant composite rock bolt and its assembling method 2019-01-29