TREA

Waltraud Neumann

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  • Teltow, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical elements
    • Patent number 6,333,821
    • Issue date Dec 25, 2001
    • Alcatel
    • Hartmut Krüger
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...