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Priority to JP1987021957UpriorityCriticalpatent/JPH046114Y2/ja
Priority to KR878705646Uprioritypatent/KR900007713Y1/ko
Publication of JPS63129934UpublicationCriticalpatent/JPS63129934U/ja
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Publication of JPH046114Y2publicationCriticalpatent/JPH046114Y2/ja