Assertion: soleau envelope | /r/HasProperty | french: enveloppe soleau
Facets:
Source sentences:
text: The Soleau envelope (French: Enveloppe Soleau), named after its French inventor, Eugène Soleau [fr], is a sealed envelope serving as proof of priority for inventions valid in France, exclusively to precisely ascertain the date of an invention, idea or creation of a work.