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Priority to JP1987089566UpriorityCriticalpatent/JPH0750929Y2/ja
Priority to KR2019870011041Uprioritypatent/KR900004025Y1/ko
Publication of JPS63196971UpublicationCriticalpatent/JPS63196971U/ja
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Publication of JPH0750929Y2publicationCriticalpatent/JPH0750929Y2/ja