Aviation Technique: Hearings Before Subcommittee of Committee on Patents, House of Representatives, Sixty-ninth Congress, First Session, on H. R. 7851 and H. R. 8952, Bills Providing for the Purchase of Certain Inventions, Designs, and Methods of Aircraft, Aircraft Parts, and Aviation Technique, of Edwin Fairfax Naulty, and Leslie Fairfax, of New York. February 24, March 11, May 6, and May 18, 1926
United States. Congress. House. Committee on Patents
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