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Application filed by Melvin C CoffmanfiledCriticalMelvin C Coffman
Priority to IT4778079ApriorityCriticalpatent/IT1114378B/it
Publication of IT7947780A0publicationCriticalpatent/IT7947780A0/it
Application grantedgrantedCritical
Publication of IT1114378BpublicationCriticalpatent/IT1114378B/it