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Priority to JP1980099724UpriorityCriticalpatent/JPS6224434Y2/ja
Priority to KR1019800004185Aprioritypatent/KR830003865A/ko
Publication of JPS5723136UpublicationCriticalpatent/JPS5723136U/ja
Priority to KR2019830007803Uprioritypatent/KR830002252Y1/ko
Application grantedgrantedCritical
Publication of JPS6224434Y2publicationCriticalpatent/JPS6224434Y2/ja