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Priority to JP1989100749UpriorityCriticalpatent/JPH0622525Y2/ja
Priority to KR2019900012801Uprioritypatent/KR930002599Y1/ko
Publication of JPH0342348UpublicationCriticalpatent/JPH0342348U/ja
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Publication of JPH0622525Y2publicationCriticalpatent/JPH0622525Y2/ja