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Priority to JP1986016049UpriorityCriticalpatent/JPH0544938Y2/ja
Publication of JPS61136387UpublicationCriticalpatent/JPS61136387U/ja
Priority to KR870000909Aprioritypatent/KR870008310A/ko
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Publication of JPH0544938Y2publicationCriticalpatent/JPH0544938Y2/ja
Priority to KR2019960026033Uprioritypatent/KR970001137Y1/ko