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Publication of FR1228130ApublicationCriticalpatent/FR1228130A/fr
E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
E01B3/40—Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
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FR1228130D1959-02-181959-02-18Voie à traverses métalliques renforcée et dispositif pour le renforcement de cette voie
ExpiredFR1228130A
(fr)