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Priority to JP8411988UpriorityCriticalpatent/JPH0610665Y2/ja
Priority to KR2019890008673Uprioritypatent/KR960002437Y1/ko
Publication of JPH028024UpublicationCriticalpatent/JPH028024U/ja
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Publication of JPH0610665Y2publicationCriticalpatent/JPH0610665Y2/ja