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Frank Haugwitz

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intersolar-3665.jpg Berthold GoekeThumbnailsMarkus ElsaesserBerthold GoekeThumbnailsMarkus ElsaesserBerthold GoekeThumbnailsMarkus ElsaesserBerthold GoekeThumbnailsMarkus Elsaesser

Frank Haugwitz, Head of Intersolar Conference Development