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J Mueller & Cie Soc
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J Mueller & Cie Soc
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FR377769D1906-05-291907-05-13Dispositif d'introduction de paquets de billets de chemin de fer ou autres dans les casiers classeurs
ExpiredFR377769A
(fr)
Système protecteur pour le passage des cables conducteurs de chemins de fer électriques sous des ponts ou sous d'autres constructions métalliques en communication avec la terre