Hans-Jurgen Ubert

Person

  • Hamburg, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for removing grate screenings

    • Patent number 4,509,917
    • Issue date Apr 9, 1985
    • Claudius Peters AG
    • Hans-Jurgen Ubert
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES