Paul, Friedrich and Ernst Köster take the reins at the company.
This website uses cookies and external components such as fonts, maps, videos or analysis tools to help you get the most out of our website and to improve our communication with you. We only process data for marketing, analysis and personalisation if you give us your consent by clicking on "Agree and continue". Alternatively, you can refuse the use of cookies. For more information, please refer to our privacy policy.
