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Priority to JP6259083UpriorityCriticalpatent/JPS59169390U/ja
Priority to KR2019830007242Uprioritypatent/KR850002918Y1/ko
Publication of JPS59169390UpublicationCriticalpatent/JPS59169390U/ja
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Publication of JPH0318539Y2publicationCriticalpatent/JPH0318539Y2/ja