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Priority to JP10784370ApriorityCriticalpatent/JPS505751B1/ja
Priority to DE19712160118prioritypatent/DE2160118B2/de
Priority to FR7143495Aprioritypatent/FR2116530B1/fr
Priority to GB5612271Aprioritypatent/GB1321167A/en
Publication of JPS505751B1publicationCriticalpatent/JPS505751B1/ja