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 JP2259972ApriorityCriticalpatent/JPS561091B2/ja
Publication of JPS4892156ApublicationCriticalpatent/JPS4892156A/ja
Publication of JPS561091B2publicationCriticalpatent/JPS561091B2/ja