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Priority to JP40410190UpriorityCriticalpatent/JPH0491303U/ja
Priority to EP91120976Aprioritypatent/EP0490292B1/en
Priority to EP19940100997prioritypatent/EP0596865A3/en
Priority to DE69129182Tprioritypatent/DE69129182T2/de
Publication of JPH0491303UpublicationCriticalpatent/JPH0491303U/ja