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Application filed by Carl J YlvisakerfiledCriticalCarl J Ylvisaker
Priority to IT48025/85ApriorityCriticalpatent/IT1181893B/it
Publication of IT8548025A0publicationCriticalpatent/IT8548025A0/it
Application grantedgrantedCritical
Publication of IT1181893BpublicationCriticalpatent/IT1181893B/it