1970-1979
Technical drawing of a built in door closer of 1973
Ennepetal: pressing of the lever arms
Ennepetal: assembly of door damper lever arms
Ennepetal: punching out of the lever arm
Production in Ennepetal
Exhibition booth at the Hannover Fair
Exhibition booth at the Cologne Hardware Fair
Dr. Wolfram Schneider Owner of Deutsche Dictator Türschließer Gesellschaft Ruef & Co., Neusäß, since 1970
Closing spring Adjunct, 1970
Augsburg: Door damper Standard Europa
Deutsche Dictator Türschließer Gesellschaft Ruef & Co., 1973