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Wilhelmus H. J. K. Gribnau

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  • Hengelo, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wind turbine
    • Patent number 5,315,159
    • Issue date May 24, 1994
    • Holec Projects B.V.
    • Wilhelmus H. J. K. Gribnau
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...