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Priority to JP7407173ApriorityCriticalpatent/JPS5422823B2/ja
Priority to US05/485,034prioritypatent/US3947943A/en
Publication of JPS5024774ApublicationCriticalpatent/JPS5024774A/ja
Publication of JPS5422823B2publicationCriticalpatent/JPS5422823B2/ja