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 JP13431875ApriorityCriticalpatent/JPS5258012A/ja
Publication of JPS5258012ApublicationCriticalpatent/JPS5258012A/ja
Publication of JPS556683B2publicationCriticalpatent/JPS556683B2/ja