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 JP1977056423UpriorityCriticalpatent/JPS5712278Y2/ja
Publication of JPS53147379UpublicationCriticalpatent/JPS53147379U/ja
Application grantedgrantedCritical
Publication of JPS5712278Y2publicationCriticalpatent/JPS5712278Y2/ja