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Priority to JP1984166258UpriorityCriticalpatent/JPS647404Y2/ja
Priority to KR2019850013521Uprioritypatent/KR910005510Y1/ko
Publication of JPS6181369UpublicationCriticalpatent/JPS6181369U/ja
Application grantedgrantedCritical
Publication of JPS647404Y2publicationCriticalpatent/JPS647404Y2/ja