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 JP1975164234UpriorityCriticalpatent/JPS5758673Y2/ja
Publication of JPS52149267UpublicationCriticalpatent/JPS52149267U/ja
Application grantedgrantedCritical
Publication of JPS5758673Y2publicationCriticalpatent/JPS5758673Y2/ja