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Priority to JP1979155216UpriorityCriticalpatent/JPS5671263U/ja
Priority to FR8023471Aprioritypatent/FR2468388A1/fr
Priority to DE19803041751prioritypatent/DE3041751A1/de
Priority to GB8035557Aprioritypatent/GB2062479A/en
Publication of JPS5671263UpublicationCriticalpatent/JPS5671263U/ja