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 JP8743476UpriorityCriticalpatent/JPS582990Y2/ja
Publication of JPS534661UpublicationCriticalpatent/JPS534661U/ja
Application grantedgrantedCritical
Publication of JPS582990Y2publicationCriticalpatent/JPS582990Y2/ja