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Priority to JP2136174ApriorityCriticalpatent/JPS5726065B2/ja
Priority to US05/552,526prioritypatent/US3984709A/en
Publication of JPS50114520ApublicationCriticalpatent/JPS50114520A/ja
Publication of JPS5726065B2publicationCriticalpatent/JPS5726065B2/ja