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Priority to JP1418275ApriorityCriticalpatent/JPS557295B2/ja
Priority to US05/653,949prioritypatent/US4031185A/en
Priority to DE2603910Aprioritypatent/DE2603910C3/de
Publication of JPS5188470ApublicationCriticalpatent/JPS5188470A/ja
Publication of JPS557295B2publicationCriticalpatent/JPS557295B2/ja