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Application filed by Porro PfiledCriticalPorro P
Priority to IT19187/78ApriorityCriticalpatent/IT1092005B/it
Publication of IT7819187A0publicationCriticalpatent/IT7819187A0/it
Application grantedgrantedCritical
Publication of IT1092005BpublicationCriticalpatent/IT1092005B/it