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Priority to JP47079514ApriorityCriticalpatent/JPS5246487B2/ja
Priority to US386714Aprioritypatent/US3888432A/en
Priority to DE19732340262prioritypatent/DE2340262C3/de
Publication of JPS4938605ApublicationCriticalpatent/JPS4938605A/ja
Publication of JPS5246487B2publicationCriticalpatent/JPS5246487B2/ja