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Publication of FR1222344ApublicationCriticalpatent/FR1222344A/fr
E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
E01B29/04—Lifting or levelling of tracks
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FR793285A1958-05-281959-04-27Perfectionnements apportés aux dispositifs hydrauliques pour le déplacement des voies de chemin de fer
ExpiredFR1222344A
(fr)