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Priority to JP1986135868UpriorityCriticalpatent/JPH0534101Y2/ja
Priority to KR2019870003772Uprioritypatent/KR900002654Y1/ko
Publication of JPS6341914UpublicationCriticalpatent/JPS6341914U/ja
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Publication of JPH0534101Y2publicationCriticalpatent/JPH0534101Y2/ja