JD

Jintao Du

CC Crrc Qingdao Sifang Rolling Stock Research Institute Co.: 1 patents #35 of 138Top 30%
📍 Qingdao, CN: #946 of 2,087 inventorsTop 50%
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Patent #TitleCo-InventorsDate
11072353 Automatic uncoupling mechanism for couplers Quan Liu, Minggang Li, Jibo Liu 2021-07-27