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Priority to JP1987161452UpriorityCriticalpatent/JPH0166805U/ja
Priority to PCT/JP1988/001076prioritypatent/WO1989003635A1/ja
Priority to EP19880909118prioritypatent/EP0348510A4/en
Publication of JPH0166805UpublicationCriticalpatent/JPH0166805U/ja