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Priority to JP6118488UpriorityCriticalpatent/JPH0734041Y2/ja
Priority to KR89005941Uprioritypatent/KR0115451Y1/ko
Publication of JPH01166627UpublicationCriticalpatent/JPH01166627U/ja
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Publication of JPH0734041Y2publicationCriticalpatent/JPH0734041Y2/ja