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Priority to JP10747781UpriorityCriticalpatent/JPS5812740U/ja
Priority to GB08215995Aprioritypatent/GB2102876B/en
Priority to KR8202492Aprioritypatent/KR870002058B1/ko
Publication of JPS5812740UpublicationCriticalpatent/JPS5812740U/ja
Application grantedgrantedCritical
Publication of JPS6126651Y2publicationCriticalpatent/JPS6126651Y2/ja