Kouetsu Fukui

Person

  • Kawasaki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Rock bolt

    • Patent number 4,413,929
    • Issue date Nov 8, 1983
    • Kubota, Ltd.
    • Tomio Kigawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING