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Priority to JP1988132092UpriorityCriticalpatent/JPH0610599Y2/ja
Priority to KR2019890000452Uprioritypatent/KR940008497Y1/ko
Publication of JPH01177858UpublicationCriticalpatent/JPH01177858U/ja
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Publication of JPH0610599Y2publicationCriticalpatent/JPH0610599Y2/ja