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Priority to JP13304883UpriorityCriticalpatent/JPS6044161U/ja
Priority to US06/643,845prioritypatent/US4576275A/en
Priority to KR1019840005091Aprioritypatent/KR900007890B1/ko
Publication of JPS6044161UpublicationCriticalpatent/JPS6044161U/ja
Application grantedgrantedCritical
Publication of JPH0241714Y2publicationCriticalpatent/JPH0241714Y2/ja