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爆撃照準器
Wikipedia definition
1. Norden bombsightThe Norden bombsight was a tachometric bombsight used by the United States Army Air Forces (USAAF) and the United States Navy during World War II, and the United States Air Force in the Korean and the Vietnam Wars to aid the crew of bomber aircraft in dropping bombs accurately. It was known as the "Blue Ox".
Read “Norden bombsight” on English Wikipedia
Read “ノルデン爆撃照準器” on Japanese Wikipedia
Read “Norden bombsight” on DBpedia

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