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Priority to JP1985086797UpriorityCriticalpatent/JPH0134940Y2/ja
Priority to KR2019850007937Uprioritypatent/KR910002799Y1/ko
Publication of JPS61201978UpublicationCriticalpatent/JPS61201978U/ja
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Publication of JPH0134940Y2publicationCriticalpatent/JPH0134940Y2/ja
