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 JP4809274ApriorityCriticalpatent/JPS5319784B2/ja
Publication of JPS50139979ApublicationCriticalpatent/JPS50139979A/ja
Publication of JPS5319784B2publicationCriticalpatent/JPS5319784B2/ja