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Priority to JP1988010190UpriorityCriticalpatent/JPH0514777Y2/ja
Priority to KR2019890000820Uprioritypatent/KR930008149Y1/ko
Publication of JPH01116056UpublicationCriticalpatent/JPH01116056U/ja
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Publication of JPH0514777Y2publicationCriticalpatent/JPH0514777Y2/ja