Christian Friedrich

Person

  • Pflach, AT

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of making high-strength brazed joints

    • Patent number 5,160,090
    • Issue date Nov 3, 1992
    • Schwarzkopf Technologies Corporation
    • Christian Friedrich
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES