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 JP1975137771UpriorityCriticalpatent/JPS55820Y2/ja
Publication of JPS5251140UpublicationCriticalpatent/JPS5251140U/ja
Application grantedgrantedCritical
Publication of JPS55820Y2publicationCriticalpatent/JPS55820Y2/ja