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Priority to JP13749889UpriorityCriticalpatent/JPH0377020U/ja
Priority to US07/615,630prioritypatent/US5195607A/en
Priority to DE69024618Tprioritypatent/DE69024618T2/de
Priority to EP90122184Aprioritypatent/EP0429061B1/en
Publication of JPH0377020UpublicationCriticalpatent/JPH0377020U/ja
