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Robert Wittgenhttps://www.led-professional.com/media/business_company-information_changes-to-the-managing-board-of-osram-opto-semiconductors-josef-ringsgwandl-appointed-chief-financial-officer_300dpi_pr_r-wittgen-jpg/viewhttps://www.led-professional.com/media/business_company-information_changes-to-the-managing-board-of-osram-opto-semiconductors-josef-ringsgwandl-appointed-chief-financial-officer_300dpi_pr_r-wittgen-jpg/@@images/image-1200-f1a5b095ad9884a88963d3bd2ddb11b6.jpeg
