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Priority to JP1989026179UpriorityCriticalpatent/JPH0624927Y2/ja
Priority to KR2019900002608Uprioritypatent/KR930003894Y1/ko
Publication of JPH02119773UpublicationCriticalpatent/JPH02119773U/ja
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Publication of JPH0624927Y2publicationCriticalpatent/JPH0624927Y2/ja