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 JP47020775ApriorityCriticalpatent/JPS518513B2/ja
Publication of JPS4889597ApublicationCriticalpatent/JPS4889597A/ja
Publication of JPS518513B2publicationCriticalpatent/JPS518513B2/ja