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Application filed by Vyzk Ustav Silnoproude ElektfiledCriticalVyzk Ustav Silnoproude Elekt
Priority to IT19066/84ApriorityCriticalpatent/IT1172977B/it
Publication of IT8419066A0publicationCriticalpatent/IT8419066A0/it
Application grantedgrantedCritical
Publication of IT1172977BpublicationCriticalpatent/IT1172977B/it