"Dupont" . . . . . "Dupont, Léonce (1828-1884)" . "1828"^^ . "1884"^^ . "Léonce Dupont" . _:Bb541c12e2765dba4844063fa625fbb1f . "Léonce" . _:Bb541c12e2765dba4844063fa625fbb1f . _:Bb541c12e2765dba4844063fa625fbb1f . _:Bb541c12e2765dba4844063fa625fbb1f "2023-05-21"^^ . _:Bb541c12e2765dba4844063fa625fbb1f . _:Bb541c12e2765dba4844063fa625fbb1f . _:Bb541c12e2765dba4844063fa625fbb1f "142971650" . _:Bb541c12e2765dba4844063fa625fbb1f . _:Bb541c12e2765dba4844063fa625fbb1f . _:Bb541c12e2765dba4844063fa625fbb1f .