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Priority to JP1985032957UpriorityCriticalpatent/JPH019742Y2/ja
Priority to KR2019850007697Uprioritypatent/KR900003571Y1/ko
Publication of JPS61148768UpublicationCriticalpatent/JPS61148768U/ja
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Publication of JPH019742Y2publicationCriticalpatent/JPH019742Y2/ja
