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 JP1977128871UpriorityCriticalpatent/JPS5737691Y2/ja
Publication of JPS5458355UpublicationCriticalpatent/JPS5458355U/ja
Application grantedgrantedCritical
Publication of JPS5737691Y2publicationCriticalpatent/JPS5737691Y2/ja