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Helga Hoffmann

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  • Wonstorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Karl fischer reagent
    • Patent number 6,946,298
    • Issue date Sep 20, 2005
    • Sigma-Aldrich Co.
    • Helga Hoffmann
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Karl fischer reagent
    • Publication number 20020127726
    • Publication date Sep 12, 2002
    • Sigma-Aldrich Co.
    • Helga Hoffmann
    • G01 - MEASURING TESTING