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 JP6531975UpriorityCriticalpatent/JPS538574Y2/ja
Publication of JPS51144418UpublicationCriticalpatent/JPS51144418U/ja
Application grantedgrantedCritical
Publication of JPS538574Y2publicationCriticalpatent/JPS538574Y2/ja