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Priority claimed from US06459998external-prioritypatent/US4547860B1/en
Priority claimed from US06/488,692external-prioritypatent/US4549279A/en
Application filed by Laitram CorpfiledCriticalLaitram Corp
Publication of IT8447556A0publicationCriticalpatent/IT8447556A0/it
Application grantedgrantedCritical
Publication of IT1221796BpublicationCriticalpatent/IT1221796B/it