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Application filed by Irvin Manifatture IndfiledCriticalIrvin Manifatture Ind
Priority to IT48000/81ApriorityCriticalpatent/IT1170795B/it
Publication of IT8148000A0publicationCriticalpatent/IT8148000A0/it
Publication of IT8148000A1publicationCriticalpatent/IT8148000A1/it
Application grantedgrantedCritical
Publication of IT1170795BpublicationCriticalpatent/IT1170795B/it