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Priority to JP10909689UpriorityCriticalpatent/JPH0537135Y2/ja
Priority to KR2019900012219Uprioritypatent/KR930000639Y1/ko
Publication of JPH0348610UpublicationCriticalpatent/JPH0348610U/ja
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Publication of JPH0537135Y2publicationCriticalpatent/JPH0537135Y2/ja