THE new Dewoitine three‐engined transport machine, known as the D‐620, is one of several new monoplanes for commercial service which were built as part of the 1935 constructional programme in France.
(1936), "A New Commercial Dewoitine: One of the Designs Competing for Replacement Contracts on the Air France Lines", Aircraft Engineering and Aerospace Technology, Vol. 8 No. 5, pp. 136-136. https://doi.org/10.1108/eb030046
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