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 JP3040272ApriorityCriticalpatent/JPS547881B2/ja
Publication of JPS492904ApublicationCriticalpatent/JPS492904A/ja
Publication of JPS547881B2publicationCriticalpatent/JPS547881B2/ja