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Anna-Joséphine Dufour-Onofrio (1817–1901), was a French-Swiss businessperson.
She was the owner of the major Etamine manufacture company Dufour & Cie from 1842, and developed it to an internationally important company.
She founded the Thal Hospital.
The Dufour & Cie was united with Thal et Zurich in 1907 and became the Sefar in 1995.
References
Tibère Adler, Pionnières de la Suisse moderne : des femmes qui ont vécu la liberté, Genève, Slatkine, 2014 (ISBN 978-2-8321-0638-9 et 2-8321-0638-2, OCLC 999810389
