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 JP6256179UpriorityCriticalpatent/JPS6218301Y2/ja
Publication of JPS55163073UpublicationCriticalpatent/JPS55163073U/ja
Application grantedgrantedCritical
Publication of JPS6218301Y2publicationCriticalpatent/JPS6218301Y2/ja