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Un nuevo ferrocarril de juguete, caracterizado esencialmente por el hecho de que la vía del mismo es una serie de tramos de láminas aislantes perfiladas con contornos paralelas en formas curvas o mixtas, comprendiendo en cada tramo en forma impresa metalizada los conductores del circuito de la vía, los que se encuentran acoplados en un determinado punto de la misma a los terminales de una batería de pilas alojadas en un receptáculo que figura la estación de la vía.
ES0045790U1954-12-311954-12-31Un nuevo ferrocarril de juguete
ExpiredES45790Y
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