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Priority to JP1987089460UpriorityCriticalpatent/JPH0430655Y2/ja
Priority to KR1019880006656Aprioritypatent/KR910006236B1/ko
Publication of JPS63200231UpublicationCriticalpatent/JPS63200231U/ja
Application grantedgrantedCritical
Publication of JPH0430655Y2publicationCriticalpatent/JPH0430655Y2/ja
