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 JP3463786UpriorityCriticalpatent/JPS62146668U/ja
Priority to US07/022,285prioritypatent/US4783970A/en
Publication of JPS62146668UpublicationCriticalpatent/JPS62146668U/ja
Priority to US07/223,273prioritypatent/US4895000A/en
