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Wind-tunnel investigation of an N.A.C.A. 23012 airfoil with two arrangements of a wide-chord slotted flap (1939)

NASA Technical Reports Server (NTRS) · leaf 17

An illustration from Wind-tunnel investigation of an N.A.C.A. 23012 airfoil with two arrangements of a wide-chord slotted flap, 1939, leaf 17 — S.A.C.i.. Toohnlasl lots Xo. 715

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