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CC Crrc Qingdao Sifang Co.: 1 patents #13 of 60Top 25%
📍 Shandong, CN: #90 of 381 inventorsTop 25%
Overall (2021): #442,699 of 548,734Top 85%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11021176 Energy absorption device and rail vehicle having same Aiqin TIAN, Yonggui Zhang, Shizhong Zhao, Quanwei Che, Shuxiang CHEN +2 more 2021-06-01