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Dongliang Bu

Overall (All Time): #2,894,125 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 Jianming Shi, Per Elvèn, Mats Hedenborg, Zhongxi Zhou, Yucang Zheng 2018-06-12