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Priority to JP9690386UpriorityCriticalpatent/JPH0238076Y2/ja
Priority to KR870002704Aprioritypatent/KR870010315A/ko
Publication of JPS632883UpublicationCriticalpatent/JPS632883U/ja
Application grantedgrantedCritical
Publication of JPH0238076Y2publicationCriticalpatent/JPH0238076Y2/ja
