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The Dyle and Bacalan "D.B. 80" day mail airplane (French) : an all-metal high-wing monoplane (1930)

NASA Technical Reports Server (NTRS) · leaf 8

An illustration from The Dyle and Bacalan "D.B. 80" day mail airplane (French) : an all-metal high-wing monoplane, 1930, leaf 8
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