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Priority to JP1989028706UpriorityCriticalpatent/JPH0440601Y2/ja
Priority to KR2019890017265Uprioritypatent/KR930002801Y1/ko
Publication of JPH02119131UpublicationCriticalpatent/JPH02119131U/ja
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Publication of JPH0440601Y2publicationCriticalpatent/JPH0440601Y2/ja