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Priority claimed from JP60298886Aexternal-prioritypatent/JPS62158449A/en
Priority claimed from JP1986013016Uexternal-prioritypatent/JPH0353670Y2/ja
Application filed by Isotec Co LtdfiledCriticalIsotec Co Ltd
Priority claimed from EP86117958Aexternal-prioritypatent/EP0228074B1/en
Application grantedgrantedCritical
Publication of ATE98430T1publicationCriticalpatent/ATE98430T1/en