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 JP4282081UpriorityCriticalpatent/JPS6214281Y2/ja
Publication of JPS57155257UpublicationCriticalpatent/JPS57155257U/ja
Application grantedgrantedCritical
Publication of JPS6214281Y2publicationCriticalpatent/JPS6214281Y2/ja