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Priority to JP6042587UpriorityCriticalpatent/JPS63169206U/ja
Priority to EP87307570Aprioritypatent/EP0260026B1/en
Priority to DE3788094Tprioritypatent/DE3788094T2/de
Priority to KR1019870009525Aprioritypatent/KR910001814B1/ko
Publication of JPS63169206UpublicationCriticalpatent/JPS63169206U/ja