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 JP47022602ApriorityCriticalpatent/JPS6257950B2/ja
Publication of JPS4890769ApublicationCriticalpatent/JPS4890769A/ja
Publication of JPS6257950B2publicationCriticalpatent/JPS6257950B2/ja
