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 JP12933480UpriorityCriticalpatent/JPS6137641Y2/ja
Publication of JPS5752448UpublicationCriticalpatent/JPS5752448U/ja
Application grantedgrantedCritical
Publication of JPS6137641Y2publicationCriticalpatent/JPS6137641Y2/ja