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Franek is the oldest oil shaft in the world, located in the village of Bóbrka Poland. It was dug in 1854 by hand by Ignacy Łukasiewicz.〔(Ignacy Łukasiewicz: the first kerosene lamp in the world )〕 ==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「Franek」の詳細全文を読む スポンサード リンク
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