SD

Sansan Ding

CC Crrc Qingdao Sifang Co.: 1 patents #16 of 66Top 25%
📍 Shandong, CN: #99 of 271 inventorsTop 40%
Overall (2019): #285,983 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10518789 Coupling assembly and rail vehicle having same Shizhong Zhao, Yonggui Zhang, Aiqin TIAN, Guidong TAO, Quanwei Che +1 more 2019-12-31