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Priority to JP10557188UpriorityCriticalpatent/JPH0226765U/ja
Priority to KR2019890011678Uprioritypatent/KR920005069Y1/ko
Publication of JPH0226765UpublicationCriticalpatent/JPH0226765U/ja
Priority to US07/660,929prioritypatent/US5086244A/en
