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Rheinmetall Air Defence AG is a division of German armament manufacturer Rheinmetall, created when the company's Oerlikon Contraves unit was renamed on 1 January 2009 and integrated with Rheinmetall's other air-defence products. Oerlikon Contraves was a Swiss anti-aircraft artillery manufacturer famous for its adaptation of the 1916 20 mm Becker as the Oerlikon 20 mm autocannon design, which was used in the Second World Wars and still in use today. Copies and derivatives of these designs were made by German, French, British and Japanese weapon manufacturers. Oerlikon Contraves was purchased by Rheinmetall, a German armament manufacturer, in 1999. , Rheinmetall Air Defence had around 1,050 employees at locations in Switzerland, Germany, Italy and Canada. The group's sales were about .〔 ==History== Oerlikon's earliest predecessor was Schweizerische Werkzeugmaschinenfabrik Oerlikon, founded in the Oerlikon district of Zurich Switzerland in 1906. In 1923 it acquired a factory in Germany. It entered the anti-aircraft defence field in 1924. In 1936, it founded a purely anti-aircraft development company called Contraves (''contra aves'' is Latin for "against birds", better translated as "anti-flying-objects") In 1989, the Werkzeugmaschinenfabrik Oerlikon-Bührle and Contraves merged to form the Oerlikon-Contraves Group, later renamed Oerlikon Contraves Defence. Oerlikon Contraves was purchased by Rheinmetall, a German armament manufacturer, in 1999, and renamed Rheinmetall Air Defence AG on 1 January 2009. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rheinmetall Air Defence」の詳細全文を読む スポンサード リンク
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