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Priority to JP1987011832UpriorityCriticalpatent/JPH0445760Y2/ja
Publication of JPS63120698UpublicationCriticalpatent/JPS63120698U/ja
Priority to KR1019880010251Aprioritypatent/KR890004129A/ko
Priority to CN88106536Aprioritypatent/CN1014628B/zh
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Publication of JPH0445760Y2publicationCriticalpatent/JPH0445760Y2/ja