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Priority to JP1986113994UpriorityCriticalpatent/JPS6322661U/ja
Priority to US07/168,125prioritypatent/US4877667A/en
Priority to DE8787903433Tprioritypatent/DE3783353D1/de
Priority to PCT/JP1987/000343prioritypatent/WO1988000755A1/en
Priority to EP87903433Aprioritypatent/EP0277235B1/en
Priority to KR1019880700296Aprioritypatent/KR910008504B1/ko
Publication of JPS6322661UpublicationCriticalpatent/JPS6322661U/ja