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 JP4503477ApriorityCriticalpatent/JPS53129952A/ja
Publication of JPS53129952ApublicationCriticalpatent/JPS53129952A/ja
Publication of JPS5728976B2publicationCriticalpatent/JPS5728976B2/ja