Anna-Joséphine Dufour-Onofrio
Anna-Joséphine Dufour-Onofrio (1817-1901), bụ onye obodo ọchụnta ego French-Swiss.

Ọ bụ onye ya nwe nnukwu ụlọ ọrụ na-emepụta Etamine Dufour & Cie site n'afor 1842, ma melite ya ka ọ bụrụ ụlọ ọrụ dị mkpa na mba ụwa ne la.

O guzobere Ụlọ Ọgwụ Thal.

Dufour & Cie jikọtara ya na Thal et Zurich n'afọ 1907 wee ghọọ Sefar n'afọ 1995.

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