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Application filed by Vignoli Pier LuigifiledCriticalVignoli Pier Luigi
Priority to IT40045/85ApriorityCriticalpatent/IT1187166B/it
Publication of IT8540045A0publicationCriticalpatent/IT8540045A0/it
Publication of IT8540045A1publicationCriticalpatent/IT8540045A1/it
Application grantedgrantedCritical
Publication of IT1187166BpublicationCriticalpatent/IT1187166B/it