TREA

Wolfgang Pekruhn

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  • Berlin, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aqueous ink and use thereof
    • Patent number 6,551,391
    • Issue date Apr 22, 2003
    • Francotyp Postalia AG & Co.
    • Thomas Gerhardt
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents