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Priority to JP1987164120UpriorityCriticalpatent/JPH081605Y2/ja
Priority to KR1019880013956Aprioritypatent/KR920000670B1/ko
Publication of JPH0168705UpublicationCriticalpatent/JPH0168705U/ja
Application grantedgrantedCritical
Publication of JPH081605Y2publicationCriticalpatent/JPH081605Y2/ja
