TREA

Frank Tost

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  • Cottbus, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter for holding and raising ground water
    • Patent number 6,372,135
    • Issue date Apr 16, 2002
    • Henkel Kommanditgesellschaft auf Aktien
    • Hans-Peter Kohlstadt
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents