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 JP50097318ApriorityCriticalpatent/JPS5220646A/ja
Publication of JPS5220646ApublicationCriticalpatent/JPS5220646A/ja
Publication of JPS5434263B2publicationCriticalpatent/JPS5434263B2/ja