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}} Robert Jacques "Rob" Groen (born 18 February 1938) is a retired Dutch rower. He competed at the 1964 Summer Olympics in the single skulls and finished in seventh place.〔〔 He won two silver medals in this event at the European championships in 1963 and 1964.〔 ==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「Rob Groen」の詳細全文を読む スポンサード リンク
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