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 JP1675073ApriorityCriticalpatent/JPS542418B2/ja
Publication of JPS49105281ApublicationCriticalpatent/JPS49105281A/ja
Publication of JPS542418B2publicationCriticalpatent/JPS542418B2/ja