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Priority to JP1985180311UpriorityCriticalpatent/JPH0541242Y2/ja
Priority to KR1019860009473Aprioritypatent/KR940008268B1/ko
Publication of JPS6288842UpublicationCriticalpatent/JPS6288842U/ja
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Publication of JPH0541242Y2publicationCriticalpatent/JPH0541242Y2/ja