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Application filed by Giovanni Battista CalabrigofiledCriticalGiovanni Battista Calabrigo
Priority to IT82525/84ApriorityCriticalpatent/IT1181400B/en
Publication of IT8482525A0publicationCriticalpatent/IT8482525A0/en
Application grantedgrantedCritical
Publication of IT1181400BpublicationCriticalpatent/IT1181400B/en