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Priority claimed from JP60047442Aexternal-prioritypatent/JPS61206693A/ja
Priority claimed from JP60047440Aexternal-prioritypatent/JPS61206696A/ja
Priority claimed from JP60047441Aexternal-prioritypatent/JPH0651433B2/ja
Application filed by Gen Co LtdfiledCriticalGen Co Ltd
Priority claimed from EP19860301743external-prioritypatent/EP0194860B1/de
Application grantedgrantedCritical
Publication of ATE76361T1publicationCriticalpatent/ATE76361T1/de