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Application filed by Directia Drumuri Si PodurifiledCriticalDirectia Drumuri Si Poduri
Priority to RO92072ApriorityCriticalpatent/RO80658B1/ro
Publication of RO80658A2publicationCriticalpatent/RO80658A2/fr
Publication of RO80658B1publicationCriticalpatent/RO80658B1/ro
Method for controlling the grouping of electrical apparatuses which can be operated on different voltages, especially for heating-resistor grouping in railway vehicles, as well as a multi-voltage selection device for carrying it out