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 JP6840476ApriorityCriticalpatent/JPS52151870A/ja
Publication of JPS52151870ApublicationCriticalpatent/JPS52151870A/ja
Publication of JPS5650370B2publicationCriticalpatent/JPS5650370B2/ja