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Priority to JP10786387UpriorityCriticalpatent/JPH0547105Y2/ja
Priority to KR1019880007832Aprioritypatent/KR940006283B1/ko
Priority to CN88104352Aprioritypatent/CN1007233B/zh
Publication of JPS6411975UpublicationCriticalpatent/JPS6411975U/ja
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Publication of JPH0547105Y2publicationCriticalpatent/JPH0547105Y2/ja
