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Priority to JP11400887UpriorityCriticalpatent/JPS6419069U/ja
Priority to KR1019880006842Aprioritypatent/KR890002537A/ko
Priority to US07/224,041prioritypatent/US4852541A/en
Priority to DE3825552Aprioritypatent/DE3825552A1/de
Publication of JPS6419069UpublicationCriticalpatent/JPS6419069U/ja
Priority to KR9214863Uprioritypatent/KR930000025Y1/ko