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Priority to JP19254686UpriorityCriticalpatent/JPS6399382U/ja
Priority to US07/085,206prioritypatent/US4789114A/en
Priority to EP87308949Aprioritypatent/EP0271978B1/en
Priority to DE8787308949Tprioritypatent/DE3779884T2/de
Publication of JPS6399382UpublicationCriticalpatent/JPS6399382U/ja