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Priority to JP1986165506UpriorityCriticalpatent/JPH0435481Y2/ja
Priority to KR2019870013063Uprioritypatent/KR910001106Y1/ko
Publication of JPS6371365UpublicationCriticalpatent/JPS6371365U/ja
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Publication of JPH0435481Y2publicationCriticalpatent/JPH0435481Y2/ja