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Priority to JP1986179690UpriorityCriticalpatent/JPH0546720Y2/ja
Priority to KR870000267Aprioritypatent/KR880005904A/ko
Publication of JPS6385199UpublicationCriticalpatent/JPS6385199U/ja
Priority to KR2019910004522Uprioritypatent/KR910004565Y1/ko
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Publication of JPH0546720Y2publicationCriticalpatent/JPH0546720Y2/ja