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 JP550276UpriorityCriticalpatent/JPS5540838Y2/ja
Publication of JPS5297495UpublicationCriticalpatent/JPS5297495U/ja
Application grantedgrantedCritical
Publication of JPS5540838Y2publicationCriticalpatent/JPS5540838Y2/ja