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Individual
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Individual
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Priority to ES132013ApriorityCriticalpatent/ES132013A1/es
Publication of ES132013A1publicationCriticalpatent/ES132013A1/es
ES132013A1933-09-211933-09-21Un aparato electro-mecánico para la maniobra de agujas de desvío para vías de tranvías, ferrocarriles y similares.
ExpiredES132013A1
(es)