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 JP1974117704UpriorityCriticalpatent/JPS5551522Y2/ja
Publication of JPS5144753UpublicationCriticalpatent/JPS5144753U/ja
Application grantedgrantedCritical
Publication of JPS5551522Y2publicationCriticalpatent/JPS5551522Y2/ja