Focke-wulf F 19a "ente" Commercial Airplane (german) : a Tail-first High-wing Monoplane
01.01.1931
Sonstige
Keine Angabe
Englisch
The Focke Wulf F.19 "ENTE" Tail-first Airplane
NTRS | 1927
Engineering Index Backfile | 1931
|Engineering Index Backfile | 1931
|Engineering Index Backfile | 1927