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Priority to JP8563087UpriorityCriticalpatent/JPH048240Y2/ja
Priority to US07/200,035prioritypatent/US5121785A/en
Priority to KR1019880006533Aprioritypatent/KR890000755A/ko
Publication of JPS63195096UpublicationCriticalpatent/JPS63195096U/ja
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Publication of JPH048240Y2publicationCriticalpatent/JPH048240Y2/ja