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Priority to JP17452781UpriorityCriticalpatent/JPS5879521U/ja
Priority to KR2019820009363Uprioritypatent/KR880001139Y1/ko
Publication of JPS5879521UpublicationCriticalpatent/JPS5879521U/ja
Application grantedgrantedCritical
Publication of JPH0130356Y2publicationCriticalpatent/JPH0130356Y2/ja