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BID 610 or Alvis was a British cipher machine used by both British and Canadian governments. It was the first fully transistorised full-duplex online cipher machine used by the British Army.〔 It was introduced in the 1960s.〔〔 ==References== 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「BID 610」の詳細全文を読む スポンサード リンク
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