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Priority to JP1988055106UpriorityCriticalpatent/JPH0641626Y2/ja
Priority to KR1019890004747Aprioritypatent/KR970009810B1/ko
Publication of JPH01163426UpublicationCriticalpatent/JPH01163426U/ja
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Publication of JPH0641626Y2publicationCriticalpatent/JPH0641626Y2/ja