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The Dewoitine D.332 commercial airplane (French) : a three-engine all-metal low-wing monoplane (1933)
NASA Technical Reports Server (NTRS) · leaf 20
N.A.C.A. Aircraft Circular No. 185 Figs. 20,21,22,23,24,25NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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