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 JP47004929ApriorityCriticalpatent/JPS5221711B2/ja
Publication of JPS4873796ApublicationCriticalpatent/JPS4873796A/ja
Publication of JPS5221711B2publicationCriticalpatent/JPS5221711B2/ja