Keywords: Motor-Sport-Museum am Hockenheimring, 1933 Imperia-Rudge 348cm 25Hp used by Ernst Loof, pic1.JPG Photographed at the Motor-Sport-Museum am Hockenheimring Germany own 2013-03-21 13 33 43 Alf van Beem CC-zero Motorcycles in the Hockenheimring Motor-Sport-Museum Imperia motorcycles |