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Application filed by Pietro BachettifiledCriticalPietro Bachetti
Priority to ITBO980452priorityCriticalpatent/IT1304454B1/it
Publication of ITBO980452A1publicationCriticalpatent/ITBO980452A1/it
Application grantedgrantedCritical
Publication of IT1304454B1publicationCriticalpatent/IT1304454B1/it