The Knoller D.I series 70 was a prototype fighter aircraft built in the Austro-Hungarian Empire during World War I for use by the Kaiserliche und Königliche Luftfahrtruppen (KuKLFT).
The Knoller D.I series 70 was a prototype fighter aircraft built in the Austro-Hungarian Empire during World War I for use by the Kaiserliche und Königliche Luftfahrtruppen (KuKLFT). (en)
The Knoller D.I series 70 was a prototype fighter aircraft built in the Austro-Hungarian Empire during World War I for use by the Kaiserliche und Königliche Luftfahrtruppen (KuKLFT). (en)