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Application filed by Nardi Ezio E Ronconi GiannifiledCriticalNardi Ezio E Ronconi Gianni
Priority to IT491686UpriorityCriticalpatent/IT210937Z2/it
Publication of IT8604916V0publicationCriticalpatent/IT8604916V0/it
Priority to DE8708671Uprioritypatent/DE8708671U1/de
Application grantedgrantedCritical
Publication of IT210937Z2publicationCriticalpatent/IT210937Z2/it
Priority to US07/506,517prioritypatent/US5030094A/en