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 JP15705075ApriorityCriticalpatent/JPS5278637A/ja
Publication of JPS5278637ApublicationCriticalpatent/JPS5278637A/ja
Publication of JPS5439221B2publicationCriticalpatent/JPS5439221B2/ja