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Priority to JP7360489UpriorityCriticalpatent/JPH0315140U/ja
Priority to JP50905890Aprioritypatent/JP2608182B2/ja
Priority to US07/781,204prioritypatent/US5290113A/en
Priority to PCT/JP1990/000820prioritypatent/WO1991000182A1/ja
Priority to DE69023137Tprioritypatent/DE69023137T2/de
Priority to EP90909388Aprioritypatent/EP0480032B1/en
Publication of JPH0315140UpublicationCriticalpatent/JPH0315140U/ja