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 JP1975173877UpriorityCriticalpatent/JPS553768Y2/ja
Publication of JPS5285722UpublicationCriticalpatent/JPS5285722U/ja
Application grantedgrantedCritical
Publication of JPS553768Y2publicationCriticalpatent/JPS553768Y2/ja