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 JP1977047873UpriorityCriticalpatent/JPS5747540Y2/ja
Publication of JPS53141539UpublicationCriticalpatent/JPS53141539U/ja
Application grantedgrantedCritical
Publication of JPS5747540Y2publicationCriticalpatent/JPS5747540Y2/ja