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Gunter Frankfurter

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  • Marktredwitz, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aluminum oxide tubes
    • Patent number 5,077,105
    • Issue date Dec 31, 1991
    • Hoechst Aktiengesellschaft
    • Gunter Frankfurter
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Aluminum oxide tubes and process for their manufacture
    • Patent number 5,059,367
    • Issue date Oct 22, 1991
    • Hoechst CeramTec Aktiengesellschaft
    • Gunter Frankfurter
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES