Gizmoids
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Inventors
Franz Mertens
Inventor
Franz Mertens
March 20, 1840
Born
March 5, 1927
Died
Austria
Citizenship
university teacher
Occupation
Facts
Born
March 20, 1840
Died
March 5, 1927
Citizenship
Austria
Occupation
university teacher
Sources:
Wikidata (CC0)
·
Wikidata Q111999