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 JP4957173ApriorityCriticalpatent/JPS5438372B2/ja
Publication of JPS49135351ApublicationCriticalpatent/JPS49135351A/ja
Publication of JPS5438372B2publicationCriticalpatent/JPS5438372B2/ja