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 JP4090472UpriorityCriticalpatent/JPS512027Y2/ja
Publication of JPS492631UpublicationCriticalpatent/JPS492631U/ja
Application grantedgrantedCritical
Publication of JPS512027Y2publicationCriticalpatent/JPS512027Y2/ja