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ES19276A1896-06-261896-06-26Un pequeño carro con recogedor elevador sirviendo para limpiar los raíles de los tranvías o de barredera de las calles.
ExpiredES19276A1
(es)
Un aparato de cambios destinado a evitar los descarrilamientos del trolley superior en los cruzamientos de los tranvías de tracción eléctrica que tienen la toma por medio de conductos aéreo.