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Priority to JP16343186UpriorityCriticalpatent/JPS6368189U/ja
Priority to DE8787309403Tprioritypatent/DE3779859T2/de
Priority to EP87309403Aprioritypatent/EP0265286B1/en
Priority to US07/113,693prioritypatent/US4899331A/en
Publication of JPS6368189UpublicationCriticalpatent/JPS6368189U/ja