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 JP4071176ApriorityCriticalpatent/JPS52124391A/ja
Publication of JPS52124391ApublicationCriticalpatent/JPS52124391A/ja
Publication of JPS5721657B2publicationCriticalpatent/JPS5721657B2/ja