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Priority to JP1987022819UpriorityCriticalpatent/JPH0547946Y2/ja
Priority to KR2019880002126Uprioritypatent/KR930004257Y1/ko
Publication of JPS63134243UpublicationCriticalpatent/JPS63134243U/ja
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Publication of JPH0547946Y2publicationCriticalpatent/JPH0547946Y2/ja