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Speno International SA is a manufacturer of railway track maintenance machines. The Speno company was founded by Frank Speno in 1960 and is now headquartered in Switzerland. It operates maintenance trains in many countries. The ''Speno'' trains are bright yellow in color. ==Main activities== The activities of Speno are:〔(【引用サイトリンク】title=What we do )〕 : * grinding and re-profiling of tracks and points : * measuring rail surface faults and profiles : * checking for internal rail flaws with ultrasound. 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「Speno」の詳細全文を読む スポンサード リンク
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