Riffault des Hêtres, Jean R. D., 1754-1826, (chemist)

Description data TOP

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{"value"=>"1818-1819", "type"=>"inclusive", "normal"=>"1818/1819"}

date_inclusive_start

1818

date_inclusive_end

1819

keydate

1818

unittitle

{"value"=>"<span class=\"persname\">Riffault des Hêtres, Jean R. D., 1754-1826</span>, (chemist)"}

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2 items

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1818

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1819

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