Training and express biplane, Type H.D. 22, and new 2-engine plane, H. D. 20.
New Heinkel airplanes
Neue Heinkel-Flugzeuge
Luftfahrt ; 30 , n 20
1926
2 pages
5 Figs.
Aufsatz (Zeitschrift)
Deutsch
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Engineering Index Backfile | 1929
Design details of German Heinkel airplanes as divulged in patent documents
Engineering Index Backfile | 1940
Heinkel. Heinkel plane is exhibited in Paris
Engineering Index Backfile | 1928
Engineering Index Backfile | 1928
Engineering Index Backfile | 1929