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Application filed by Ente Naz Energia ElettricafiledCriticalEnte Naz Energia Elettrica
Priority to IT8822428ApriorityCriticalpatent/IT1232195B/it
Publication of IT8822428A0publicationCriticalpatent/IT8822428A0/it
Application grantedgrantedCritical
Publication of IT1232195BpublicationCriticalpatent/IT1232195B/it
Disposizione di sorgente d'energia elettrica ausiliaria e di temporizzatore per contatori d'energia elettrica a piu' funzioni a registrazione di tempo