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Priority to JP1989064590UpriorityCriticalpatent/JPH0614302Y2/ja
Priority to CN 89219629prioritypatent/CN2056272U/zh
Publication of JPH035231UpublicationCriticalpatent/JPH035231U/ja
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Publication of JPH0614302Y2publicationCriticalpatent/JPH0614302Y2/ja