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ERNST GASCARD
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ERNST GASCARD
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Publication of FR348865ApublicationCriticalpatent/FR348865A/en
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
E01B3/38—Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails
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FR348865D1904-11-191904-11-19
Reinforced concrete sleeper for railways
ExpiredFR348865A
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