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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Metrum S A
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Metrum S A
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Application filed by Metrum S AfiledCriticalMetrum S A
Priority to ES135650ApriorityCriticalpatent/ES135650A3/es
Publication of ES135650A3publicationCriticalpatent/ES135650A3/es
ES135650A1934-09-191934-09-19Un procedimiento para repetir las señales de vía en un tren en marcha, con el auxilio de contactos dispuesto en la vía.
ExpiredES135650A3
(es)