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Application filed by Pietro Bertelloni, Dante BertellonifiledCriticalPietro Bertelloni
Priority to ITMS910005ApriorityCriticalpatent/IT1260842B/en
Publication of ITMS910005A0publicationCriticalpatent/ITMS910005A0/en
Publication of ITMS910005A1publicationCriticalpatent/ITMS910005A1/en
Application grantedgrantedCritical
Publication of IT1260842BpublicationCriticalpatent/IT1260842B/en