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Priority claimed from US07/089,376external-prioritypatent/US4808558A/en
Application filed by Lanxide Technology Co Ltd, Alcan Int LtdfiledCriticalLanxide Technology Co Ltd
Priority claimed from EP87630196Aexternal-prioritypatent/EP0261070B1/en
Application grantedgrantedCritical
Publication of ATE76050T1publicationCriticalpatent/ATE76050T1/en