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Priority to JP12495786UpriorityCriticalpatent/JPS6330204U/ja
Priority to US07/072,047prioritypatent/US4810002A/en
Priority to EP87110242Aprioritypatent/EP0253383B1/en
Priority to DE8787110242Tprioritypatent/DE3777477D1/de
Publication of JPS6330204UpublicationCriticalpatent/JPS6330204U/ja