On Feb. 1, 1928, number of flying machines licensed in Germany by authorities totaled 475, including 554 engines; of these machines 145 belonged to Deutsche Luft Hansa A.-G.; lists types of aircraft with number supplied by each maker.
The licensed flying-machines in Germany
Eng. Progress
Engineering Progress (English Edition) ; 9 , n 7
1928
Article (Journal)
English
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NTIS | 1994
Engineering Index Backfile | 1910
|Engineering Index Backfile | 1892
|TIBKAT | 1997
|SLUB | 1997
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