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 JP3976875ApriorityCriticalpatent/JPS51128492A/ja
Publication of JPS51128492ApublicationCriticalpatent/JPS51128492A/ja
Publication of JPS5739753B2publicationCriticalpatent/JPS5739753B2/ja