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Priority claimed from JP59120219Aexternal-prioritypatent/JPH0742488B2/en
Priority claimed from JP59120218Aexternal-prioritypatent/JPS60264371A/en
Priority claimed from JP59163095Aexternal-prioritypatent/JPH0742489B2/en
Priority claimed from JP60049559Aexternal-prioritypatent/JPS61209821A/en
Application filed by Sumitomo Electric IndustriesfiledCriticalSumitomo Electric Industries
Priority claimed from EP85304135Aexternal-prioritypatent/EP0168953B2/en
Application grantedgrantedCritical
Publication of ATE49147T1publicationCriticalpatent/ATE49147T1/en