کلیه حقوق این سایت متعلق به شرکت کلان داده شهر فناوران است The flying wing configuration was examined thoroughly from the 1930s and forties, notably by Jack Northrop and Cheston L. Eshelman in America, and Alexander Lippisch and also the Horten brothers in Germany. After the war, numerous experimental models https://remington8bz22.blogitright.com/27309495/قطار-secrets