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 JP11406075UpriorityCriticalpatent/JPS5531013Y2/ja
Publication of JPS5227915UpublicationCriticalpatent/JPS5227915U/ja
Application grantedgrantedCritical
Publication of JPS5531013Y2publicationCriticalpatent/JPS5531013Y2/ja