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.)
Priority date (The priority date 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 date listed.)
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Priority to JP14060786UpriorityCriticalpatent/JPS6347537U/ja
Priority to EP87113480Aprioritypatent/EP0260659A3/en
Publication of JPS6347537UpublicationCriticalpatent/JPS6347537U/ja
Priority to US07/323,153prioritypatent/US4902863A/en
