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Priority claimed from US06/664,058external-prioritypatent/US4643780A/en
Application filed by Inco Alloys IntfiledCriticalInco Alloys Int
Priority claimed from EP19850113483external-prioritypatent/EP0180144B1/de
Application grantedgrantedCritical
Publication of ATE51037T1publicationCriticalpatent/ATE51037T1/de