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 JP50131249ApriorityCriticalpatent/JPS5255349A/ja
Publication of JPS5255349ApublicationCriticalpatent/JPS5255349A/ja
Publication of JPS5420390B2publicationCriticalpatent/JPS5420390B2/ja
