CZ

Chengyun Zhu

Overall (2019): #504,870 of 560,194Top 95%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10316540 Tower lifting device for rotary blasthole drill Jie Zhao, Ning Heng 2019-06-11