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ROTTENBACHER RICCARDO
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ROTTENBACHER RICCARDO
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Application filed by ROTTENBACHER RICCARDOfiledCriticalROTTENBACHER RICCARDO
Priority to ES36738ApriorityCriticalpatent/ES36738A1/es
Publication of ES36738A1publicationCriticalpatent/ES36738A1/es
Un sistema o aprovechamiento de la fuerza de contramarcha del tranvía eléctrico para producir por este medio el cambio automático del trolley de los tranvías eléctricos.