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 JP1974067778UpriorityCriticalpatent/JPS5321917Y2/ja
Publication of JPS50155891UpublicationCriticalpatent/JPS50155891U/ja
Application grantedgrantedCritical
Publication of JPS5321917Y2publicationCriticalpatent/JPS5321917Y2/ja