XB-28 (航空機)
1. North American XB-28The North American XB-28 (NA-63) was an aircraft proposed by the North American Aviation to fill a strong need in the United States Army Air Corps for a high-altitude medium bomber. It never entered into full production, with only two aircraft having been built.
Read “North American XB-28” on English Wikipedia
Read “XB-28 (航空機)” on Japanese Wikipedia
Read “North American XB-28” on DBpedia
Read “North American XB-28” on English Wikipedia
Read “XB-28 (航空機)” on Japanese Wikipedia
Read “North American XB-28” on DBpedia
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