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Priority to JP13760485UpriorityCriticalpatent/JPS6247019U/ja
Priority to US06/866,313prioritypatent/US4707569A/en
Priority to DE8686304010Tprioritypatent/DE3688379T2/de
Priority to EP86304010Aprioritypatent/EP0204489B1/en
Publication of JPS6247019UpublicationCriticalpatent/JPS6247019U/ja