Rudiger Grun

Person

  • Lauf, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Tunnel kiln

    • Patent number 4,884,969
    • Issue date Dec 5, 1989
    • Ludwig Riedhammer GmbH
    • Kolln Bernd
    • F27 - FURNACES KILNS OVENS RETORTS