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Application filed by Sperotto SpafiledCriticalSperotto Spa
Priority to IT24060/78ApriorityCriticalpatent/IT1095077B/it
Publication of IT7824060A0publicationCriticalpatent/IT7824060A0/it
Application grantedgrantedCritical
Publication of IT1095077BpublicationCriticalpatent/IT1095077B/it