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 JP19054680UpriorityCriticalpatent/JPS6331352Y2/ja
Publication of JPS57110885UpublicationCriticalpatent/JPS57110885U/ja
Application grantedgrantedCritical
Publication of JPS6331352Y2publicationCriticalpatent/JPS6331352Y2/ja