Jisho

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21
Wikipedia definition
1. Saab 21RThe Saab 21R was a Swedish twin-boom fighter/attack aircraft made by SAAB. It was a jet-powered development of the piston-engined Saab 21 and is unusual for being the only airframe that saw service as both a piston-engined fighter, and a jet fighter. As a fighter, its service designation in the Swedish Air Force was J 21R, and saw service in the late 1940s.
Read “Saab 21R” on English Wikipedia
Read “サーブ 21” on Japanese Wikipedia
Read “Saab 21R” on DBpedia

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