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Application filed by Riva Calzoni SpafiledCriticalRiva Calzoni Spa
Priority to IT22340/86ApriorityCriticalpatent/IT1197994B/en
Publication of IT8622340A0publicationCriticalpatent/IT8622340A0/en
Publication of IT8622340A1publicationCriticalpatent/IT8622340A1/en
Application grantedgrantedCritical
Publication of IT1197994BpublicationCriticalpatent/IT1197994B/en