Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP9806386UpriorityCriticalpatent/JPS636967U/ja
Priority to PCT/JP1987/000428prioritypatent/WO1988000143A1/ja
Publication of JPS636967UpublicationCriticalpatent/JPS636967U/ja
