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Priority to JP46031048ApriorityCriticalpatent/JPS5247275B1/ja
Priority to FR7216576Aprioritypatent/FR2137687B1/fr
Priority to GB2196172Aprioritypatent/GB1368871A/en
Priority to DE19722222939prioritypatent/DE2222939A1/de
Publication of JPS5247275B1publicationCriticalpatent/JPS5247275B1/ja