YZ

Yucang Zheng

Overall (2018): #175,642 of 503,207Top 35%
1
Patents 2018

Issued Patents 2018

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