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Individual
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Individual
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Priority to ES1859001894ApriorityCriticalpatent/ES1894H1/es
Publication of ES1894H1publicationCriticalpatent/ES1894H1/es
ES1859001894A1859-05-201859-05-20Sistema de railes para los caminos de hierro aplicable al establecimiento de lineas telegraficas en la via ferrea
ExpiredES1894H1
(es)