Category:Keystone K.55 Pronto
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1920s US mail plane design  | |||||
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Keystone K.55 Pronto aircraft
Media in category "Keystone K.55 Pronto"
The following 4 files are in this category, out of 4 total.
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Keystone K-55 Pronto 3-view Le Document aéronautique April,1928.png 1,104 × 1,365; 75 KB
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Keystone K.55 Annuaire de L'Aéronautique 1931.jpg 665 × 357; 91 KB
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Keystone Pronto Aero Digest April 1928.jpg 1,307 × 545; 106 KB
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Keystone Pronto float plane Le Document aéronautique April,1928.jpg 1,754 × 812; 332 KB
