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Application filed by Ernst FederigofiledCriticalErnst Federigo
Priority to IT12481/84ApriorityCriticalpatent/IT1199465B/it
Publication of IT8412481A0publicationCriticalpatent/IT8412481A0/it
Application grantedgrantedCritical
Publication of IT1199465BpublicationCriticalpatent/IT1199465B/it