Publications
Diehl Annual Report 2019
Annual Report 2020 will be available in August 2021
Download (pdf)Company Presentation 2020/2021
Diehl represents high quality and technology leadership.
Download (pdf)Karl Diehl – Mäzen der Nürnberger Altstadt
Karl Diehl was not only an entrepreneur, but also a patron and sponsor. A brochure by Erich Mulzer
Download (pdf)