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Application filed by Riva Calzoni SpafiledCriticalRiva Calzoni Spa
Priority to IT21320/84ApriorityCriticalpatent/IT1174153B/en
Publication of IT8421320A0publicationCriticalpatent/IT8421320A0/en
Publication of IT8421320A1publicationCriticalpatent/IT8421320A1/en
Application grantedgrantedCritical
Publication of IT1174153BpublicationCriticalpatent/IT1174153B/en