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Wilfried Naber

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  • Ladenburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of melting raw materials
    • Patent number 4,940,478
    • Issue date Jul 10, 1990
    • Grunzweig & Hartmann AG
    • Wilfried Naber
    • C03 - GLASS MINERAL OR SLAG WOOL