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Application filed by Riva Calzoni SpafiledCriticalRiva Calzoni Spa
Priority to IT22319/82ApriorityCriticalpatent/IT1151987B/it
Publication of IT8222319A0publicationCriticalpatent/IT8222319A0/it
Publication of IT8222319A1publicationCriticalpatent/IT8222319A1/it
Application grantedgrantedCritical
Publication of IT1151987BpublicationCriticalpatent/IT1151987B/it