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Priority to JP1985147587UpriorityCriticalpatent/JPH0415746Y2/ja
Priority to KR2019860014696Uprioritypatent/KR920000803Y1/ko
Priority to KR2019860014697Uprioritypatent/KR920000200Y1/ko
Publication of JPS6257519UpublicationCriticalpatent/JPS6257519U/ja
Priority to KR2019910018022Uprioritypatent/KR920000804Y1/ko
Application grantedgrantedCritical
Publication of JPH0415746Y2publicationCriticalpatent/JPH0415746Y2/ja