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 JP5000974ApriorityCriticalpatent/JPS559888B2/ja
Publication of JPS50140892ApublicationCriticalpatent/JPS50140892A/ja
Publication of JPS559888B2publicationCriticalpatent/JPS559888B2/ja