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Priority to JP1987047049UpriorityCriticalpatent/JPH0511886Y2/ja
Priority to KR1019880001531Aprioritypatent/KR920011015B1/ko
Priority to US07/161,130prioritypatent/US4953861A/en
Publication of JPS63154051UpublicationCriticalpatent/JPS63154051U/ja
Application grantedgrantedCritical
Publication of JPH0511886Y2publicationCriticalpatent/JPH0511886Y2/ja
