Pierre-Julien Megras

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Pierre-Julien Megras was an aero inventor, a railway administrator, La Villette (131, rue d'Allemagne, Seine)

Patents whose inventor or applicant is Pierre-Julien Megras

Patent FR-1858-37168 (English title: Air-ship system, Filing date: 1858-06-23)

References

http://bases-brevets19e.inpi.fr/index.asp?page=rechercheAvancee http://bases-brevets19e.inpi.fr/Thot/FrmFicheDoc.asp?idfiche=0161628&refFiche=0098787

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Inventors