FR318767A - Perfectionnements à la construction des voies pour chemins de fer ou tramways électriques avec prise de courant souterrain
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Perfectionnements à la construction des voies pour chemins de fer ou tramways électriques avec prise de courant souterrain
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B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
B60M1/00—Power supply lines for contact with collector on vehicle
B60M1/30—Power rails
B60M1/34—Power rails in slotted conduits
B60M1/343—Crossings; Points
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Mechanical Engineering
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FR318767D1902-02-171902-02-17Perfectionnements à la construction des voies pour chemins de fer ou tramways électriques avec prise de courant souterrain
ExpiredFR318767A
(fr)