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 JP4972881UpriorityCriticalpatent/JPS6144968Y2/ja
Publication of JPS57162101UpublicationCriticalpatent/JPS57162101U/ja
Application grantedgrantedCritical
Publication of JPS6144968Y2publicationCriticalpatent/JPS6144968Y2/ja