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 JP4603974ApriorityCriticalpatent/JPS5222706B2/ja
Publication of JPS50139454ApublicationCriticalpatent/JPS50139454A/ja
Publication of JPS5222706B2publicationCriticalpatent/JPS5222706B2/ja