Report - 슬라이드 제목 없음 - KOCWcontents.kocw.net/KOCW/document/2015/hoseo/leejongwon1/5.pdf독일의오르피레우스(Johann Bessler aka Orffyreus) 의자동바퀴사건 •영구기관을빙자한사기사건

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