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The Bulletin of the Experimental Department, Airplane Engineering Division, U.S.A.
United States. Bureau of Aircraft Production. Airplane Engineering Division. Experimental Department
出版War Department, Bureau of Aircraft Production, Airplane Engineering Division, Experimental Department, 1918
URLhttp://books.google.com.hk/books?id=ulBBAQAAMAAJ&hl=&source=gbs_api
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