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Priority to JP19243486UpriorityCriticalpatent/JPH0545936Y2/ja
Priority to KR2019870020153Uprioritypatent/KR930002572Y1/ko
Publication of JPS6397829UpublicationCriticalpatent/JPS6397829U/ja
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Publication of JPH0545936Y2publicationCriticalpatent/JPH0545936Y2/ja
