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Application filed by Telettra Telefoni ElettronicafiledCriticalTelettra Telefoni Elettronica
Priority to IT24649/82ApriorityCriticalpatent/IT1191120B/it
Publication of IT8224649A0publicationCriticalpatent/IT8224649A0/it
Publication of IT8224649A1publicationCriticalpatent/IT8224649A1/it
Application grantedgrantedCritical
Publication of IT1191120BpublicationCriticalpatent/IT1191120B/it