FR337117A - Dispositif de pose de voie, supprimant les aiguilles dans les parcours des trains sur voie unique dans les lignes à voie montante et descendante
- Google Patents
Dispositif de pose de voie, supprimant les aiguilles dans les parcours des trains sur voie unique dans les lignes à voie montante et descendante
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E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B7/00—Switches; Crossings
E01B7/28—Crossings
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Engineering & Computer Science
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Mechanical Engineering
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Architecture
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Civil Engineering
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Structural Engineering
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FR337117D1903-11-131903-11-13Dispositif de pose de voie, supprimant les aiguilles dans les parcours des trains sur voie unique dans les lignes à voie montante et descendante
ExpiredFR337117A
(fr)