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Priority to JP1987110337UpriorityCriticalpatent/JPH0624413Y2/ja
Priority to KR1019880007053Aprioritypatent/KR0129538B1/ko
Publication of JPS6419627UpublicationCriticalpatent/JPS6419627U/ja
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Publication of JPH0624413Y2publicationCriticalpatent/JPH0624413Y2/ja