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Priority to JP1987181164UpriorityCriticalpatent/JPH0185141U/ja
Priority to EP88117934Aprioritypatent/EP0314135B1/en
Priority to DE88117934Tprioritypatent/DE3882896T2/de
Priority to US07/263,313prioritypatent/US4919526A/en
Publication of JPH0185141UpublicationCriticalpatent/JPH0185141U/ja