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ALBERT BREMANT
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ALBERT BREMANT
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Publication of FR23559EpublicationCriticalpatent/FR23559E/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
E01B3/42—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone combined with inserts of wood or other material
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Engineering & Computer Science
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FR23559A1918-04-301918-04-30Traverse en béton armé à semelles en bois d'écartement variable
ExpiredFR23559E
(fr)