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Application filed by Giovanni Battista CalabrigofiledCriticalGiovanni Battista Calabrigo
Priority to IT82553/84ApriorityCriticalpatent/IT1181414B/it
Publication of IT8482553A0publicationCriticalpatent/IT8482553A0/it
Application grantedgrantedCritical
Publication of IT1181414BpublicationCriticalpatent/IT1181414B/it