Revision history of "Patent AT-1915-79255"

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  • curprev 05:06, 31 October 2021LTA talk contribs 1,066 bytes +1,066 Created page with "Arrangement of biplane, including propellers, for stability. Based on a German patent filed 21 October 1914. Note, this patent uses the newer term "Flugzeug" (alone and as a..."