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Priority to JP47020142ApriorityCriticalpatent/JPS517349B2/ja
Priority to DE19732309510prioritypatent/DE2309510A1/de
Priority to GB943873Aprioritypatent/GB1399564A/en
Priority to FR7307136Aprioritypatent/FR2174617A5/fr
Publication of JPS4889486ApublicationCriticalpatent/JPS4889486A/ja
Publication of JPS517349B2publicationCriticalpatent/JPS517349B2/ja