Choichi Kimura

Person

  • Yokohama, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Ballast tamping apparatus

    • Patent number 4,134,342
    • Issue date Jan 16, 1979
    • Nippon Kokuyu Tetsudo
    • Tetsuo Sakai
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES