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 JP2180172ApriorityCriticalpatent/JPS5234221B2/ja
Publication of JPS4890535ApublicationCriticalpatent/JPS4890535A/ja
Publication of JPS5234221B2publicationCriticalpatent/JPS5234221B2/ja