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Priority to JP5924770ApriorityCriticalpatent/JPS492257B1/ja
Priority to GB5273570Aprioritypatent/GB1311544A/en
Priority to FR7106526Aprioritypatent/FR2094059B1/fr
Priority to DE19712127743prioritypatent/DE2127743C3/de
Publication of JPS492257B1publicationCriticalpatent/JPS492257B1/ja