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Priority to JP1984188835UpriorityCriticalpatent/JPH0221190Y2/ja
Priority to KR2019850015547Uprioritypatent/KR910000508Y1/ko
Publication of JPS61107483UpublicationCriticalpatent/JPS61107483U/ja
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Publication of JPH0221190Y2publicationCriticalpatent/JPH0221190Y2/ja