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 JP9219676UpriorityCriticalpatent/JPS5548931Y2/ja
Publication of JPS5310419UpublicationCriticalpatent/JPS5310419U/ja
Application grantedgrantedCritical
Publication of JPS5548931Y2publicationCriticalpatent/JPS5548931Y2/ja