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Application filed by Vitrofil SpafiledCriticalVitrofil Spa
Priority to IT24312/82ApriorityCriticalpatent/IT1153067B/it
Publication of IT8224312A0publicationCriticalpatent/IT8224312A0/it
Publication of IT8224312A1publicationCriticalpatent/IT8224312A1/it
Application grantedgrantedCritical
Publication of IT1153067BpublicationCriticalpatent/IT1153067B/it