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Application filed by Umberto Confalonieri & CfiledCriticalUmberto Confalonieri & C
Priority to IT20196ApriorityCriticalpatent/IT1240032B/it
Publication of IT9020196A0publicationCriticalpatent/IT9020196A0/it
Publication of IT9020196A1publicationCriticalpatent/IT9020196A1/it
Application grantedgrantedCritical
Publication of IT1240032BpublicationCriticalpatent/IT1240032B/it