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 JP8802975UpriorityCriticalpatent/JPS5520544Y2/ja
Publication of JPS521950UpublicationCriticalpatent/JPS521950U/ja
Application grantedgrantedCritical
Publication of JPS5520544Y2publicationCriticalpatent/JPS5520544Y2/ja
