Oiqihar Railway Rolling Stock Co., Ltd.

Organization

  • Heilongjiang, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Draft gear

    • Patent number 8,302,791
    • Issue date Nov 6, 2012
    • Oiqihar Railway Rolling Stock Co., Ltd.
    • Yan Jiang
    • B61 - RAILWAYS