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ES18818A1896-03-211896-03-21Un aparato aplicable a las bicicletas que se denomina "Modificador instantáneo de velocidades en las bicicletas".
ExpiredES18818A1
(es)
Un aparato denominado "Entrenador aéreo" que se aplica a las bicicletas, biciclos etc., para impedir en absoluto las molestias que ocasionan las columnas de aire y aumentar la marcha de dichas máquinas de locomoción.