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Priority to JP857375ApriorityCriticalpatent/JPS5183509A/ja
Priority to US05/648,919prioritypatent/US4012783A/en
Priority to DE19762601943prioritypatent/DE2601943A1/de
Publication of JPS5183509ApublicationCriticalpatent/JPS5183509A/ja
Publication of JPS5441496B2publicationCriticalpatent/JPS5441496B2/ja