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 JP7983674UpriorityCriticalpatent/JPS555370Y2/ja
Publication of JPS517813UpublicationCriticalpatent/JPS517813U/ja
Application grantedgrantedCritical
Publication of JPS555370Y2publicationCriticalpatent/JPS555370Y2/ja