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Priority to JP1988085596UpriorityCriticalpatent/JPH028378U/ja
Priority to DE8907058Uprioritypatent/DE8907058U1/de
Priority to KR2019890008275Uprioritypatent/KR940008057Y1/ko
Publication of JPH028378UpublicationCriticalpatent/JPH028378U/ja
