YZ

Yucang Zheng

Overall (All Time): #2,894,124 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9995091 Rock drill telescopic arm and rock drill Dongliang Bu, Jianming Shi, Per Elvèn, Mats Hedenborg, Zhongxi Zhou 2018-06-12