RK

Rongsheng Kuai

CC Crrc Qingdao Sifang Co.: 1 patents #114 of 309Top 40%
📍 Shandong, CN: #981 of 2,138 inventorsTop 50%
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Patent #TitleCo-InventorsDate
10471975 Railway vehicle and derailment safety device thereof Zhenxian ZHANG, Lijun Ma, Xiaolong Zou, Zhibo Zhang 2019-11-12