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CC Crrc Qingdao Sifang Co.: 1 patents #114 of 309Top 40%
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Patent #TitleCo-InventorsDate
10562549 Train connector and inserted connection member thereof Weikai YU, Xiaojun Deng, Shaoqing Liu, Wei Kang, Shi-Ying Xiao +5 more 2020-02-18