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 JP4247472ApriorityCriticalpatent/JPS568452B2/ja
Publication of JPS493168ApublicationCriticalpatent/JPS493168A/ja
Publication of JPS568452B2publicationCriticalpatent/JPS568452B2/ja