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 JP4971674UpriorityCriticalpatent/JPS5515071Y2/ja
Publication of JPS50138970UpublicationCriticalpatent/JPS50138970U/ja
Application grantedgrantedCritical
Publication of JPS5515071Y2publicationCriticalpatent/JPS5515071Y2/ja