Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES37418ApriorityCriticalpatent/ES37418A1/es
Publication of ES37418A1publicationCriticalpatent/ES37418A1/es
Mejoras en los medios empleados para hacer funcionar las agujas de los ferrocarriles y tranvías, los mecanismos de señales y demás disposiciones análogas.