GM

Guanglei Ma

CC Crrc Qingdao Sifang Co.: 1 patents #114 of 309Top 40%
📍 Shandong, CN: #981 of 2,138 inventorsTop 50%
Overall (All Time): #2,875,533 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

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