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 JP1977044268UpriorityCriticalpatent/JPS5753712Y2/ja
Publication of JPS53139017UpublicationCriticalpatent/JPS53139017U/ja
Application grantedgrantedCritical
Publication of JPS5753712Y2publicationCriticalpatent/JPS5753712Y2/ja