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Priority to JP48109733ApriorityCriticalpatent/JPS5060726A/ja
Priority to GB576374Aprioritypatent/GB1434487A/en
Priority to DE19742406412prioritypatent/DE2406412A1/de
Priority to FR7405046Aprioritypatent/FR2217813B1/fr
Publication of JPS5060726ApublicationCriticalpatent/JPS5060726A/ja