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Yangyang Yu

CC Crrc Qingdao Sifang Co.: 1 patents #15 of 60Top 25%
📍 Shandong, CN: #54 of 230 inventorsTop 25%
Overall (2018): #186,489 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9889864 Railway vehicle and head vehicle barrier-removing device thereof Guanglei Ma, Aiqin TIAN, Shizhong Zhao, Sansan Ding, Wenbin Chen +1 more 2018-02-13