Open Systems e.V.
Eckart Waage
Rüttenscheider Straße 166
45131 Essen

E-Posta:
Website: http://www.blauesrauschen.de/

HR number: 3463
Local court: Bochum
Tax number: 112/5737/1723 

Here you can go to the imprint of the ticket service provider ticket.io