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.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP8292176ApriorityCriticalpatent/JPS538607A/ja
Priority to US05/775,468prioritypatent/US4131479A/en
Publication of JPS538607ApublicationCriticalpatent/JPS538607A/ja
Publication of JPS5614630B2publicationCriticalpatent/JPS5614630B2/ja