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Priority to JP1325972ApriorityCriticalpatent/JPS4882277A/ja
Priority to GB577173Aprioritypatent/GB1409363A/en
Priority to US00330323Aprioritypatent/US3810611A/en
Priority to FR7304329Aprioritypatent/FR2177737B1/fr
Publication of JPS4882277ApublicationCriticalpatent/JPS4882277A/ja