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 JP4991771UpriorityCriticalpatent/JPS522568Y2/ja
Publication of JPS488404UpublicationCriticalpatent/JPS488404U/ja
Application grantedgrantedCritical
Publication of JPS522568Y2publicationCriticalpatent/JPS522568Y2/ja
