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Priority to JP1985069674UpriorityCriticalpatent/JPH0440442Y2/ja
Priority to KR2019850009187Uprioritypatent/KR900009812Y1/ko
Publication of JPS61186335UpublicationCriticalpatent/JPS61186335U/ja
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Publication of JPH0440442Y2publicationCriticalpatent/JPH0440442Y2/ja