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 JP12274272ApriorityCriticalpatent/JPS539383B2/ja
Publication of JPS4978141ApublicationCriticalpatent/JPS4978141A/ja
Publication of JPS539383B2publicationCriticalpatent/JPS539383B2/ja