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Priority to JP1981075798UpriorityCriticalpatent/JPH0118242Y2/ja
Priority to KR1019820002235Aprioritypatent/KR830009832A/ko
Publication of JPS57189703UpublicationCriticalpatent/JPS57189703U/ja
Priority to KR2019850013202Uprioritypatent/KR850002971Y1/ko
Application grantedgrantedCritical
Publication of JPH0118242Y2publicationCriticalpatent/JPH0118242Y2/ja