TREA

Ming GONG

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  • Qingdao, Shangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail vehicle bogie draw-gear
    • Patent number 10,137,910
    • Issue date Nov 27, 2018
    • CRRC QINGDAO SIFANG CO., LTD.
    • Dalian Yu
    • B61 - RAILWAYS

Patents Applicationslast 30 patents

  • Information Patent Application

    RAIL VEHICLE BOGIE DRAW-GEAR
    • Publication number 20160332642
    • Publication date Nov 17, 2016
    • CRRC QINGDAO SIFANG CO., LTD.
    • Dalian YU
    • B61 - RAILWAYS