XB-31 (航空機)
1. Douglas XB-31The Douglas XB-31 (Douglas Model 423) was the design submitted by Douglas after the request by the United States Army Air Forces for a very heavy bomber aircraft, the same request that led to the Boeing B-29 Superfortress, Lockheed XB-30, and Consolidated B-32 Dominator.
Read “Douglas XB-31” on English Wikipedia
Read “XB-31 (航空機)” on Japanese Wikipedia
Read “Douglas XB-31” on DBpedia
Read “Douglas XB-31” on English Wikipedia
Read “XB-31 (航空機)” on Japanese Wikipedia
Read “Douglas XB-31” on DBpedia
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