<nowiki>Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; Prosper Demontzey; ingeniero francés; ফরাসি প্রকৌশলী; administrateur des Forêts, membre correspondant de l'Institut; Prantsusmaa insener; inxenieru francés (1831–1898); enginyer francès; French engineer; Fransız mühendis (1831 – 1898); מהנדס צרפתי; Frans ingenieur (1831-1898); enxeñeiro francés; inginer francez; inxhinier francez; French engineer (1831-1898); French engineer; مهندس فرنسي; innealtóir Francach</nowiki>
Prosper Demontzey French engineer (1831-1898) image ![](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Cauterets_65_Plaque_Demontzey_La_Raill%C3%A8re_2014.jpg/230px-Cauterets_65_Plaque_Demontzey_La_Raill%C3%A8re_2014.jpg) Plaque à Prosper Demontzey, La Raillère, Cauterets, France. plaque image |
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Date of birth | 21 September 1831 Saint-Dié-des-Vosges |
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Date of death | 21 February 1898 Aix-en-Provence |
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