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Application filed by August Dipl Ing Ziegler, Friedrich Dipl Ing D BaravallefiledCriticalAugust Dipl Ing Ziegler
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Publication of AT167706BpublicationCriticalpatent/AT167706B/de
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
E01B3/32—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement
E01B3/34—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone with armouring or reinforcement with pre-tensioned armouring or reinforcement
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Engineering & Computer Science
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Architecture
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AT167706D1948-05-251948-05-25Verfahren zur Herstellung von druckfesten Bauelementen
AT167706B
(de)