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Priority to JP1032972ApriorityCriticalpatent/JPS5331356B2/ja
Priority to CA161,862Aprioritypatent/CA995339A/en
Priority to DE19732304373prioritypatent/DE2304373C3/de
Priority to FR7302887Aprioritypatent/FR2169352B1/fr
Priority to GB425073Aprioritypatent/GB1425100A/en
Publication of JPS4879990ApublicationCriticalpatent/JPS4879990A/ja
Publication of JPS5331356B2publicationCriticalpatent/JPS5331356B2/ja