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Priority to JP1986021563UpriorityCriticalpatent/JPS62134868U/ja
Priority to US07/011,915prioritypatent/US4773389A/en
Priority to KR1019870001363Aprioritypatent/KR910005037B1/ko
Publication of JPS62134868UpublicationCriticalpatent/JPS62134868U/ja