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Priority to JP4783571ApriorityCriticalpatent/JPS5323392B1/ja
Priority to GB3464471Aprioritypatent/GB1356449A/en
Priority to DE19712138453prioritypatent/DE2138453B2/de
Priority to FR7128138Aprioritypatent/FR2119909B1/fr
Publication of JPS5323392B1publicationCriticalpatent/JPS5323392B1/ja